For the past 5 months Pablo's bicycle repair business had these profits or losses: –$85, $70, –$120, –$90, and $35. What was his average profit or loss for these five months?
a. His average loss was $38 per month.
b. His average profit was $38 per month.
c. His average loss was $80 per month.
d. His average profit was $80 per month.