public int CheckNo(string No)
result = Int32.Parse(No);
Console.WriteLine("Please enter a valid number");
public void CalculatePrice(int A, int B, int C, int D)
Total = Total+OfrTotal+UnitPrice;
Total = Total+OfrTotal+UnitPrice;
Total = Total+OfrTotal+UnitPrice;
Total = Total+(20*C)+(15*D);
Console.WriteLine("Total: "+Total);
public static void Main()
Console.WriteLine("Unit price for SKU IDs");
Console.WriteLine("A 50"+"\n" +"B 30"+"\n" +"C 20"+"\n" +"D 15");
Console.WriteLine("\n\n");
Console.WriteLine("Active Promotions");
Console.WriteLine("3 of A's for 130");
Console.WriteLine("2 of B's for 45");
Console.WriteLine("C & D for 30");
Offers Ofr = new Offers();
Console.WriteLine("\n\n");
Console.WriteLine("Please enter no of units");
string A = Console.ReadLine();
int AUnits= Ofr.CheckNo(A);
string B = Console.ReadLine();
int BUnits= Ofr.CheckNo(B);
string C = Console.ReadLine();
int CUnits= Ofr.CheckNo(C);
string D = Console.ReadLine();
int DUnits= Ofr.CheckNo(D);
Ofr.CalculatePrice(AUnits, BUnits, CUnits, DUnits);