Develop a JavaScript program that will determine whether a department store customer has exceeded the credit limit on a charge account. For each customer, the following facts are available:

Question

a) Account number
b) Balance at the beginning of the month
c) Total of all items charged by this customer this month
d) Total of all credits applied to this customer's account this month
e) Allowed credit limit
The program should input each of these facts from prompt dialogs as integers, calculate the new balance (= beginning balance
+ charges – credits), display the new balance and determine whether the new balance exceeds the customer's credit limit. For those
customers whose credit limit is exceeded, the program should output HTML text that displays the message, “Credit limit exceeded.”

Answer 1

Top:

Determine if each of an arbitrary number of department store customers has exceeded the credit limit on a charge

account.

First refinement:

Input the account number, beginning balance, total charges, total credits, and credit limit for a customer, calculate the

customer’s new balance and determine if the balance exceeds the credit limit. Then process the next customer.

Second refinement:

Input the first customer’s account number

While the sentinel value (-1) has not been entered for the account number

Input the customer’s beginning balance

Input the customer’s total charges

Input the customer’s total credits

Input the customer’s credit limit

Calculate the customer’s new balance

If the balance exceeds the credit limit

Print the account number

Print the credit limit

Print the balance

Print "Credit Limit Exceeded"

Input the next customer’s account number



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