Which formula should be used to determine the total cost

The wedding photographer for the Smith/Jones wedding charges $1,000 for her preparation and first60 prints. The cost is $2.00 per photo for photos beyond the first 60. Which formula should beused to determine the total cost, C, as a function of the number of photos, p, that are purchased,assuming at least 60 are purchased?a. C = 1000 p + 2b. C = 1000(2p  60)c. C = 1000 + 2(p  60) Please explain your answer. Thanks!