What problems might someone encounter making a program like this?

What might they learn from doing this assignment?

What level difficulty would this program be considered?

What references or guides would be good to help make this program or use as a reference for a beginner?

#include #include #include

#define Max 3 using namespace std;

int main() { string names[Max]; float prices[Max]; int quantity[Max]; int tax, k; float total = 0; float afterTax = 0; int paid; float balance; cout << "---------- Panther Express cashier's program ----------" << endl;

// 1st Item cout << "Unit name : "; cin >> names[0]; cout << "Unit price for " << names[0] << ": "; cin >> prices[0]; cout << "Unit quantity for " << names[0] << ": "; cin >> quantity[0]; cout << " ";

// 2nd Item cout << "Unit name : "; cin >> names[1]; cout << "Unit price for " << names[1] << ": "; cin >> prices[1]; cout << "Unit quantity for " << names[1] << ": "; cin >> quantity[1]; cout << " ";

// 3rd Item cout << "Unit name : "; cin >> names[2]; cout << "Unit price for " << names[2] << ": "; cin >> prices[2]; cout << "Unit quantity for " << names[2] << ": "; cin >> quantity[2]; cout << " ";

cout << "Tax rate (in whole numbers): "; cin >> tax; cout << " $--------- cost summary ---------$ "; cout << "Item" << setw(20) << "price" << setw(20) << "quantity" << setw(20) << "cost" << endl; cout << "-------------------------------------------------------------------------------------- ";

// 1st Item cout << left << setw(19) << names[0]; cout << "$" << left << setw(16) << prices[0]; cout << left << setw(23) << quantity[0]; cout << "$" << left << setw(19) << (prices[0] * quantity[0]) << endl; total += prices[0] * quantity[0];

// 2nd Item cout << left << setw(19) << names[1]; cout << "$" << left << setw(16) << prices[1]; cout << left << setw(23) << quantity[1]; cout << "$" << left << setw(19) << (prices[1] * quantity[1]) << endl; total += prices[1] * quantity[1];

// 3rd Item cout << left << setw(19) << names[2]; cout << "$" << left << setw(16) << prices[2]; cout << left << setw(23) << quantity[2]; cout << "$" << left << setw(19) << (prices[2] * quantity[2]) << endl; total += prices[2] * quantity[2];

cout << " $--------cost pretax--------$" << endl; cout << total << endl; cout << " $--------cost w/ tax--------$" << endl; afterTax = total * (1 + (float)tax / 100); afterTax = (afterTax * 100) / 100; cout << afterTax << endl; cout << " -------------------------------------------------------------------------------------- "; cout << "How much do you have "; cin >> paid; balance = paid - afterTax; balance = balance * 100 / 100; cout << " $----------Change---------$" << endl; cout << balance << endl; cout << "-------------------------------------------------------------------------------------- "; cout << " Denominations ... "; // First process the whole number. Divide by currency denominations and print balance. int intBalance = (int)balance; float decimal = balance; decimal -= intBalance; int count = intBalance / 100; intBalance %= 100; cout << setw(25) << "$100 bills: " << count << endl; count = (int)intBalance / 20; intBalance %= 20; cout << setw(25) << "$20 bills: " << count << endl; count = (int)intBalance / 10; intBalance %= 10; cout << setw(25) << "$10 bills: " << count << endl; count = (int)intBalance / 5; intBalance %= 5; cout << setw(25) << "$5 bills: " << count << endl; count = (int)intBalance; cout << setw(25) << "$1 bills: " << count << endl; // Process decimal points. Divide by currency denominations and print balance. intBalance = (int)(decimal * 100); count = (int)intBalance / 25; intBalance %= 25; cout << setw(25) << "Quarters: " << count << endl; count = (int)intBalance / 10; intBalance %= 10; cout << setw(25) << "Dimes: " << count << endl; count = (int)intBalance / 5; intBalance %= 5; cout << setw(25) << "Nickels: " << count << endl; cout << setw(25) << "Pennies: " << intBalance << endl;

return 0; }