Round to 25, 50, 75, 100

Question

I\'m not a Math person so I\'m having a hard time to come up with a calculation to round the decimals to 25, 50, 75 and 100. And this will not be the typical round off because t

Answer 1

This is one way:

public decimal RoundNearestCents(decimal price)
{
    decimal srp = price * 100;
    decimal m = srp % 25;
    srp = srp - m + (m > 0 ? 25 : 0);
    return srp / 100;
}