94. Table 1.1 shows the hypothetical trade-off between different combinations of Stealth bombers and B-1 bombers that might be produced in a year with the limited U.S. capacity, ceterisparibus. Complete the table by calculating the required opportunity costs for both the B-1 and Stealth bombers.
In the production range of 7 to 9 Stealth bombers, the opportunity cost of producing 1 more Stealth bomber in terms of B-1s is
A. 0.
B. 3.
C. 0.5.
D. 2.