11. If John purchases a new car for $18,500 and, according to research, it straight line depreciates to zero value after 10 years, how much will his car be worth after 99 months? A. $0 B. $3,237.50 C. $186.87 D. $3, 150.25 12. The Classic Car Monthly charges $39 for a three-line classified ad. Each additional line costs $6.75. For an extra $30, a seller can include a photo. They also offer a senior discount of 12% of the total. How much would a five- line ad with photo cost if Harry, who is a senior, places and ad? A. $68.18 B. $75.75 C. $72.60 D. $90.75 13. A pay phone at a railroad station charges $0.45 for the first three minutes (or part of) and $0. 15 for each extra minute (or part of). Express the cost c(m) of an m-minute phone call if m is greater than three minutes and m is not an integer. A. c(m) = 0 45-0. 15(m-3) B. c(m) = 0 45+0 15(m-3) +1 C. c(m) = 0.45 +0 15([m - 3]-1) D. C(m) = 0.45+0.15m