How do I answer this question for Ap Econ?

Using the graph, answer the following: (a) At an output of 10 units, compute TC, TVC, and TFC. (b) At an output of 10 units, what is AFC? (c) Suppose the firm reduces production from 10 units to 9 units. What would be the total cost of producing 9 units? How did you find this answer? $ ATC 15 8 10 Q B IYA ATE= =XX 12pt Paragraph fx 9:04 PM pe here to search e 9 w 3/3/2021 PrtScn Home End PgUp PgDn ins F8 FO F10 F3 F4 F7 F12 F5 F6