A Gardener Charges $25 Per Customer to Mow Lawns

A gardener charges $25 per customer to mow lawns. For one year he cuts the grass at the homes of two neighbors. At the end of the year the neighbors decide to share one house, sell the other, and hire the gardener to mow only one lawn. According to the Rescorla-Wagner model, the gardener will

A) initially expect to be paid $50, but eventually will come to expect only $25.
B) expect to be paid $25 now that they have only one lawn.
C) initially expect to be paid $25, but eventually will expect to be paid $50.
D) initially expect to be paid $25, but eventually will expect to be paid $40.