5. Ingvar and Olaf are the only two fishers in their area. Each has been assigned an ITQ that allows them to catch 20 tonnes of salmon. Ingvar’s MC of catching salmon is $6 per tonne while Olaf’s MC of catching salmon is $7 per tonne. If the price of salmon is $10 per tonne, then to maximize efficiency, the two guys should trade ITQs until Ingvar is in charge of catching ______ tonnes while Olaf catches ______ tonnes. [LO19B.4]

a. 20; 20

b. 30; 10

c. 40; 0

d. 0; 40