Over a four-week period, Gail earned the following commissions?

Week 1 $250.00
Week 2 310.00
Week 3 275.00
Week 4 195.00

What was her average weekly commission for the period?

A. $205.00
B. $207.50
C. $240.00.
D. $257.50

i got d as an answer right or wrong?