When will Jane earn an economic profit? Sorry I am bad with graphs and do not understand.

Q: Using the figure below, indicate at which price(s) Ky Jane will earn an economic profit. Assume the custom bicycle market is perfectly competitive. You may select more than one option. Jane's Custom Bicycle Shop - Cost Curves $6,500 Costs $6,000 $5,500 $5,000 $4,500 $4,000 $3,500 $3,000 $2,500 1 5 10 15 20 25 30 35 40 45 50 55 606 Quantity (Q)Select one or more: a. $5,000 O b. $1,200 O c. $4,500 O d. $4,000