Final answer:
The true statement about the cost of making costumes is that the larger the fabric pieces, the more costumes can be made, as more material allows for the production of additional costumes. Therefore, the correct option is B.
Step-by-step explanation:
The statement that is true about the cost of making costumes is: b) The larger the fabric pieces, the more costumes can be made. It is important to recognize that the size of the fabric directly influences how many costumes can be produced. Costume shops utilize the fabric efficiently to ensure they can create the necessary attire for a production. They may also upcycle or repurpose elements to keep costs down, but fundamentally, more fabric means the potential for more costumes.
Furthermore, the cost can be affected by the quality and type of fabric used, as some materials are more expensive than others. The costume designer works within a budget to procure the needed fabrics and accessories, making each play's costume cost unique.