Computer Science homework help

Computer Science homework help. Requirements:
-Create a page that allows a user to enter loan information; including Loan Amount, Length of Loan (months or years), Annual Interest Rate (percentage), and Extra Payment Amount.
-Loan Amount is in dollars. This field is required.
-Length of Loan is an integer in months or years. Include a prompt (such as radio buttons or dropdown list) to indicate payment frequency is for months or years. This field is required.
-The loan calculation should adjust appropriately based on months or years selection.
-Annual Interest Rate should be entered as a percentage. This field is required.
-Make sure that all entered fields are valid.
-Display the results of the loan calculation.
-Display the Monthly Payment Amount.
-Display the Total Amount to be paid for the loan (principle and interest).
-Display the Total Interest to be paid for the loan.
-Display an Amortization Schedule for the loan.
-Assume the loan starts on the first day of the following month.
-In the Amortization Schedule show the Payment Number, Payment Date, Payment Amount, Principle Amount, Interest Amount, Extra Payment Amount (if entered), and Loan Balance.
Extra Credit:
-Extra Payment Amount is in dollars and is an additional monthly amount paid towards the principle of the loan. This field is optional.
-If Extra Payment Amount is entered, it must be included in the loan calculation.
-The Extra Payment Amount should be included as part of the monthly payment.
-If Extra Payment Amount is entered, display the Amount of Interest Saved and the Amount of Time Saved.
-Store the values entered in cookies and auto populate fields with previous values from cookies.
Hints:
-Find a formula to calculate the payment amount.
-To use the formula you will need to calculate a few things based on the user input.
-You will need to know the number of monthly payments for the loan. Your formula might call this the length of the loan.
-You will need to know the interest rate per month.
-Now you can start.
-Calculate the number of monthly payments.
-Calculate the interest rate per month.
-Calculate the payment amount.
-You should test this by calculating manually on paper and using a php fiddle to test your code calculations.
-Compare your results to any online mortgage calculator.
-Now use a loop to display each month of the amortization table.
-For each month calculate the balance and the portion of the payment that is principal and interest.
-For the first month, the balance is the same as the loan amount.
-The interest portion of the payment for that month is the balance times the interest rate per month.
-The principal portion of the payment for that month is the payment amount minus the interest portion.
-The balance for that month is the balance from the previous month minus the principal portion of the payment.
attachment
final.docx

Computer Science homework help

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