Solve the problem.A toy manufacturer makes three types of toys. Toy A requires 12 minutes to assemble, 12 minutes to paint, 4 minutes to package, and sells for $20. Toy B requires 20 minutes to assemble, 12 minutes to paint, 8 minutes to package, and sells for $25. Toy C requires 24 minutes to assemble, 20 minutes to paint, 16 minutes to package, and sells for $30. The manufacturer has available 800 work-minutes for assembly, 600 work-minutes for painting, and 720 work-minutes for packaging each day. They must make at least 10 toys of type A and 15 of type B each day. How many of each type of toy should be produced each day to maximize revenues?
A. 21 of Toy A, 20 of Toy B, 5 of Toy C
B. 20 of Toy A, 20 of Toy B, 6 of Toy C
C. 25 of Toy A, 25 of Toy B, 0 of Toy C
D. 6 of Toy A, 10 of Toy B, 20 of Toy C
Answer: C
Mathematics