The Racquet Store (RS) Sells Franchise Agreements in Which It

The Racquet Store (RS) sells franchise agreements in which it charges an up-front fee of $50,000 for assistance in setting up a store, and then a monthly fee of $1,000 for national advertising and administrative assistance. Steffi Hingis signs a franchise agreement with RS.
-Assume that Steffi signed a $50,000 installment note when she signed the franchise agreement. RS can recognize revenue associated with the $50,000:

A) When Steffi signs the agreement, so long as RS has sufficient experience with similar arrangements to estimate uncollectible accounts.
B) As soon as RS has assisted Steffi in setting up the store, so long as RS has sufficient experience with similar arrangements to estimate uncollectible accounts.
C) Gradually as RS provides advertising and administration services.
D) When RS receives installment payments from Steffi, so long as RS has sufficient experience with similar arrangements to estimate uncollectible accounts.