Please help me with this code. The calculations are so complicated that i dont know how to set it up.

MONTHLY HOUSE COSTS Write a C++ program to calculate the monthly cost of a house given the selling price, annual rate of interest, and number of years for the loan. The monthly mortgage payment may be computed using the following formula: payment a iu ir (1 1 where a amount of loan i rate of interest per compounding period (annual rate 12) n number of compounding periods lyms 12) Assume that the down payment will be 20% of selling price, yearly tax rate is l 25% of selling price, utilities will be approximately $300.00 per month, and insurance will be S550.00 per year. DATA rate, insurance, and the cost of utilities. Use preprocessor statements to set the tax cost of Prompt the user Set the percentage of down payment as a non-global memory constan L for the selling price, the rate of interest, and the number of years for the loan. CALCULATIONS main: a function to input all data, a function Use at least four functions in addition to compute the down which handles all computations including invoking a subfunction to output the results payment, amount of loan. and mortgage payment, and, finally, one to All values input and used in calculations as well as the payment and total the monthly monthly house cost need to be output as follows: MONTHLY coST OF HOUSE SELLING PRICE PAYMENT