A manufacturing company produces two types of gaming consoles, the Magic box and the Joy box consoles. The manufacturing process consists of two principal departments: design and production. The design department has $2100$ hours available each week, and the production department has $2000$ hours available each week. On average, to produce a Magic box, the company requires $3$ labor hours for design and $4$ labor hours for production. The Joy box requires $3$ labor hours for design and $2$ labor hours in production. The company makes a net profit of $$170$ on the Magic box, and $$150$ on the Joy box. The management of the company wants to determine how many of each console type should be produced on a weekly basis to maximize net profit.Which of the following is a decision variable in the given problem?

Group of answer choices

the labor hours required to produce the two types of consoles

total profit that the company wants to maximize

Joy box gaming consoles produced per week

the number of workers the firm has