Algorithm/Pseudocode

Print all options available to user
Call the main function Ask which option user wants to choose If statement to ensure a capital or lower case “A’ will work Insert a try statement in order to catch exceptions Insert a while loop in order to keep program going until user is finished. Call the write_int_rates function Call the customerNumber function Call the CalculateBonusInterest function Ask if user wants to continue Insert an except statement to print out any errors.

If statement to ensure a capital or lower case “S” will work User is choosing the ‘search’ option Insert a try statement to catch exceptions Insert a while loop to keep program going until user enters “N” Set Boolean flag (found = False) Search = user inputs CID Open the Customer.txt file to read it Read the first line (CID) Insert a while loop to stop reading at the end of that customer’s details. Read the rest of the file for that customer Strip the newline characters If CID == search: Print all results of search Read the next CID Close the file Check if user wants to keep going Insert except statement

If statement to ensure a capital or lower case “U” will work Insert a try statement While loop to check when user wants to stop Open a temporary file Set Boolean flag Search for CID Open file, ‘Customer.txt’ Read first line of file While statement to ensure only that customer’s details are read. Read rest of file. Strip the newline characters If/else statements for SCF taken from collectAccountInfo function so savings, etc can be returned Call functions from collectAccountBalance onwards from CalculateBonusInterest function Set Boolean flag to True If found print results Else print item not found Close the temporary file Close the old file Remove the old file Rename the new file with old file name Ask if user wants to continue Insert an except statement. Quit option If statement to ensure a “Q” or a “q” will work Print “Goodbye”

Define the customerNumber function: User to input CID, while loop to ensure it has 4 digits. Return CID
Define the collectAccountInfo function: User to input whether each customer has each account and these to be passed as Boolean variables(True/False) in order that user only has to deal with which accounts customer has. Insert input validation loop to ensure user puts in information about at least one account. Return Boolean variables.
Define the collectAccountBalance function: User must input the balance of each account held by customer. This information is then displayed. Use of the Boolean variables to ensure user is not prompted for input on accounts customer does not hold. Return account balances.
Define AccountInterest function: Calculates how much interest is earned on each individual account. Displays this information and returns it.
Define the TotalAccountInterest function: Uses an accumulator to calculate the total interest and then displays total interest. It then uses Boolean variables to calculate and how much each account is holding with balance plus interest. Return the total interest..
Define the bonusInterest function: If total interest is between 61 and 370, calculate bonus interest at 15 cents for every dollar over $60. If interest is between 371 and 800, calculate bonus interest at 30 cents for every dollar over $360 plus $45 If interest earned is between 801 and $1800, calculate bonus interest at 37 cents for every dollar over $800 plus $175. If interest earned is over $1800, calculate bonus interest at 45 cents for every dollar over $1800, plus $545.
Define the TotalAmount function total_amount = s_bal + c_bal + f_bal + IS + IC + IF + bonus_interest return total_amount
Define writeToCustomerFile2/writeToCustomerFile functions Pass all information to this function in order write it to Customer.txt file

Define displayInfo function Pass all information to this function in order to print and display

Call the main function.

|Enter CID |1111 |To ensure the program continues |Please enter information for |Please enter information for |
| | | |THREE accounts |THREE accounts |
| | | | | |
|Enter 1 or 0 for |Savings: 1 |Give the Boolean “True” for each account to |Enter balance of savings |Enter balance of savings |
|each account |Current: 1 |check if each is giving the correct output |account |account |
| |Fixed Term: 1 | | | |
|Enter account |Savings: 1 |To put in data which is easily calculated by |1111 |1111 |
|balances |Current: 1 |the tester to ensure the program is working |Account Info = 111 |Account Info = 111 |
| |Fixed Term: 1 |correctly. |Savings Account Balance = 1 |Savings Account Balance = 1 |
| | | |Current Account Balance = 1 |Current Account Balance = 1 |
| | | |Fixed Term account Balance = 1 |Fixed Term account Balance = 1|
| | | |Savings Account interest = |Savings Account interest = |
| | | |0.08 |0.08 |
| | | |Current Account interest = |Current Account interest = |
| | | |0.05 |0.05 |
| | | |Fixed Term Account interest = |Fixed Term Account interest = |
| | | |0.12 |0.12 |
| | | |Total interest for all accounts|Total interest for all |
| | | |= 0.25 |accounts = 0.25 |
| | | |Bonus interest = 0 |Bonus interest = 0 |
| | | |Final total = 3.25 |Final total = 3.25 |
|Option S |S |To check if search option is working |1111 |1111 |
|Enter CID | |correctly |Account Info = 111 |Account Info = 111 |
| |1111 | |Savings Account Balance = 1 |Savings Account Balance = 1 |
| | | |Current Account Balance = 1 |Current Account Balance = 1 |
| | | |Fixed Term account Balance = 1 |Fixed Term account Balance = 1|
| | | |Savings Account interest = |Savings Account interest = |
| | | |0.08 |0.08 |
| | | |Current Account interest = |Current Account interest = |
| | | |0.05 |0.05 |
| | | |Fixed Term Account interest = |Fixed Term Account interest = |
| | | |0.12 |0.12 |
| | | |Total interest for all accounts|Total interest for all |
| | | |= 0.25 |accounts = 0.25 |
| | | |Bonus interest = 0 |Bonus interest = 0 |
| | | |Final total = 3.25 |Final total = 3.25 |
|Option U |U |To check if Update option working correctly |Enter balance of savings |Enter balance of savings |
| | | |account |account |
|Enter CID |1111 | | | |

Test Data

|Enter Account |Savings: 2 |To check if details will update |1111 |1111 |
|balances for |Current: 2 | |Account Info = 111 |Account Info = 111 |
|updating |Fixed-term: 2 | |Savings Account Balance = 2 |Savings Account Balance = 2 |
| | | |Current Account Balance = 2 |Current Account Balance = 2 |
| | | |Fixed Term account Balance = 2 |Fixed Term account Balance = 2 |
| | | |Savings Account interest = |Savings Account interest = |
| | | |0.16 |0.16 |
| | | |Current Account interest = 0.1|Current Account interest = 0.1|
| | | |Fixed Term Account interest = |Fixed Term Account interest = |
| | | |0.24 |0.24 |
| | | |Total interest for all accounts|Total interest for all accounts|
| | | |= 0.5 |= 0.5 |
| | | |Bonus interest = 0 |Bonus interest = 0 |
| | | |Final total = 6.50 |Final total = 6.50 |
|Enter “Q: for |“Q” or “q” |To check program will terminate |“Goodbye” |“Goodbye” |
|quit option | | | | |

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