Cash Discount Terms

Cost of giving up cash discounts. Determine the cost of giving up the cash discount under each of the following terms of sale (assume a 365-day year)

2/10 net 30

1/10 net 30

2/10 net 45

3/10 net 45

1/10 net 60

3/10 net 30

4/10 net 180

I need to confirm the values and the calculation to solve the terms above.