AABC is dilated by a factor of to produce AA'B'C'

What is AC, the length of AC after the dilation? What is the measure of ZA?
A. A'C' = 60, m2A'= 28°
B. A'C' = 15, m2A'= 28°
C. A'C'= 15, m2A'= 14°
D. A'C'= 17 m2 A'= 62°