If You Enjoy Playing Golf, the Opportunity Cost of Cleaning

If you enjoy playing golf, the opportunity cost of cleaning your room

A) is the same on sunny days as it is on rainy days
B) is greater on sunny days than it is on rainy days
C) is smaller on sunny days than it is on rainy days
D) does not change with the weather conditions
E) is equal to the opportunity cost of any other chore you have to do that day