James recieves an invoice from Home Hardware dated February 5, 2015 for $580 with terms 5/7, 2/18, n/29. If James pays the invoice in full on February 21, 2015, a. How many days were there between the date of the invoice, and when the invoice was paid? b. How much is the amount of the discount? c. How much was paid? Number of days = Amount of Discount = $ (rounded to the nearest cent) Payment = $ (rounded to the nearest cent)