Answer:
The answer is: 108,000 cookbooks
Explanation:
We can calculate how many Captain Cajun Cookbooks must be sold using the following formulas:
contribution margin = $8 - $3 = $5
units = [$300,000 + ($180,000 / 75%)] / $5 = ($300,000 + $240,000) / $5
units = $540,000 / $5 = 108,000