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Example: C# program to Enter Library
book used by reader in no of days. Calculate Rent of
book for First 7 days it is 1 dollar
per day, for next 14 days it is 2 dollars per day, thereafter it is 4 dollars
per day.
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// program name test095.cs
//C# program to calculate book rent
using System;
class Program
{
static void Main()
{
int amt, days;
Console.Write("Enter Book used days : ");
days = Convert.ToInt32(Console.ReadLine());
if (days <= 7)
amt = days * 1;
else if (days <= 21)
amt = (days - 7) * 2 + 7;
else
amt = (days - 21) * 4 + 7 + 28;
Console.WriteLine("For {0} Days of Books Rent = {1} ",
days, amt);
}
}
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Output
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Enter Book used days : 15
For 15 Days of Books Rent = 23
Enter Book used days : 40
For 40 Days of Books Rent = 111
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