Your local dry cleaners is running a special. The dry cleaner is offering a 13% discount for any drop off that is over
 $40. Also, they are running a neighborhood special of an additional 5% off. Given this information, determine the
 decay factor corresponding to each percent decrease.
 a. 34.8; 33.06
 0.87: 0.95
 b. 0.384; 0.3306
 d. 87, 95
 C.