The Opportunity Cost of Leisure

The opportunity cost of leisure

A) is the wage that one could earn by working an additional hour.
B) is the amount of income that would be necessary to hold an individual's utility level constant were they to work an additional hour (that is, give up an hour of leisure time) .
C) is equivalent to the individual's non-labor income.
D) is directly related to the individual's level of leisure consumption per time period.