a. What is the most Metlock's car can incur in manufacturing costs and still meet its gross profit margin goal?

Most manufacturing companies have gross margin goals, and Metlock's is no different. Metlock's makes lightweight backpacks that are suitable for a number of purposes. Management at the compary has dictated a strict 40% gross margin goal, and, to date, it has been able to achieve it. Some of the companys financial information is as follows