Table 2-5 Lumber (per board One Cell Phone foot) Estonia 40 hours 8 hours Finland 16 hours 4 hours Table 2-5 shows the number of labor hours required to produce a cell phone and a board foot of lumber in Estonia and Finland. Refer to Table 2-5. What is Finland's opportunity cost of producing one board foot of lumber? O 0.25 cell phones O 4 cell phones O 12 cell phones O 16 cell phones Question 3 2.5 pts Table 1-3 Hours Open Total Revenue (dollars) 1 $275 2. 375 3 450 4 500 5 530 6 550 Ivan runs a custom jewelry shop in Sparkle City. He is debating whether he should extend his hours of operation. Ivan figures that his sales revenue will depend on the number of additional hours the jewelry shop is open as shown in the table above. He would have to hire a worker for those hours at a wage rate of $25 per hour. Refer to Table 1-3. What is Ivan's marginal benefit if he decides to stay open for six hours instead of five hours? O $10 O $20 O $30 O $91.67