To Earn Summer Money,Joe Could Mow Lawns in His Neighborhood,or

Multiple Choice

To earn summer money,Joe could mow lawns in his neighborhood,or he could work at a local grocery store.Which of the following is an out-of-pocket cost of mowing lawns?

A) The use of his father's truck to get to job sites.
B) The wages he could have earned working at the grocery store.
C) The time spent mowing the lawns.
D) Cash paid for gas to run the lawnmower.