Zachary Entertainment sells souvenir T$-$shirts at each rock concert that it sponsors. The shirts cost $$9$ each. Any excess shirts can be

returned to the manufacturer for a full refund of the purchase price. The sales price is $$29$ per shirt.

Required

a$.$ What are the total cost of shirts and cost per shirt if sales amount to $3,000,3,500,4,000,4,500,$ or $5,000?$

b$.$ Is the cost of T$-$shirts a fixed or a variable cost?

Complete this question by entering your answers in the tabs below.

What are the total cost of shirts and cost per shirt if sales amount to $3,000,3,500,4,000,4,500,$ or $5,000?$