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# Stuck on C++ program to calculate price and tax

 P: 63 I have to write a program that asks for a cost-per-item, number of items purchased, and a discount rate. Then it should calculate the total cost, tax due, and amount due. I have to use the formulas: total cost = number of items * cost-per-item total cost (discounted) = total cost - (discount rate * total cost) tax due = total cost * TAXRATE amount due = total cost + tax due I am going to put what I have so far. Any suggestions would be helpful. Also, how do I put the discount rate as a percentage? Expand|Select|Wrap|Line Numbers #include "stdafx.h" #include  #include  using namespace std;   int _tmain(int argc, _TCHAR* argv[]) {     const float TAXRATE = 0.06f;     double costPerItem, itemsPurchased, discountRate, totalCost, taxDue, totalCostDiscounted;       cout <<"\nEnter the cost-per-item: ";     cin >> costPerItem;     cout <<"\nEnter the number of items purchased: ";     cin >> itemsPurchased;     cout <<"\nEnter the discount rate: ";     cin >> discountRate;       totalCost = itemsPurchased * costPerItem;     totalCostDiscounted = totalCost - (discountRate * totalCost);     taxDue = totalCost * TAXRATE;     cout << setiosflags (ios::fixed)          << setiosflags (ios::showpoint)          << setprecision(2);       cout <<"\nThe total cost is: " << setw(4) << costPerItem*itemsPurchased  << endl;     cout <<"\nThe tax due is: " <