Melissa teaches swimming lessons at the YWCA pool. She will charge $75 per child for four weeks' worth of lessons. Payment is not due until the child can swim the length of the pool. If the child cannot accomplish this task, he or she will be automatically enrolled in the next swimming lesson session until the child can swim the length of the pool. At that time, the parents will be expected to pay the $75. The YWCA is using a(n) _____ pricing strategy.
A. Price framing
B. Complementary pricing
C. Price bundling
D. Results-based
E. Value-based
Answer: D. Results-based