Take Quiz E Figure 3 below describes a Productive Possibilities Frontier (PPF) for Ed as he does two acb'vities in 20 hours. The two acb'vities be does are writing poems and and reading books. Reading Books Writing poems 10 Figure 3 Refer to Figure 3 as you answer the following questions. I Question 9 Refer to Figure 3 above. 12:52 1 . . Take Quiz Exit questions. Question 9 1 pts Refer to Figure 3 above. Assuming this PPF shows Ed's possible production over 20 hours, how many hours does it take Ed to read a book? *Only enter a number into the answer box and nothing else* D Question 10 1 pts Refer to Figure 3. What is Ed's opportunity cost of writing a poem? Choose the correct value and correct units in the two drop down menus below. [ Select ]