Handy Aaron helped a neighbor 1 \dfrac{1}{4} hours on Monday, 50 minutes on Tuesday, from 8:20 to 10:45 on Wednesday morning, and a half-hour on Friday. He is paid \$ 3 per hour. How much did he earn for the week?
Answer Choices
A. \$ 8
B. \$ 9
C. \$ 10
D. \$ 12
E. \$ 15