35 Minutes, Strong PROBLEM 20.7B
DORSAL RANCH
a. Raising cod will result in the highest
operating income. Cod Salmon
Number of salable fish 300,000 200,000
× sale price 5$ 9$
Total revenue 1,500,000$ 1,800,000$
b.
c. and d.
Operating income with new filter material: Cod Salmon
Number of salable fish 400,000 280,000
× sale price 5$ 9$
Total revenue 2,000,000$ 2,520,000$
Variable costs:
The most important factors in determining operating income are survival rates, and
the costs of feeding and water changes.