Indicate whether each of the following expenditures is a revenue expenditure or a capital expenditure for Linda Company:

a. Paid \(\$ 300\) to replace a truck windshield that was cracked by a stone thrown up by another vehicle while the truck was being used to make a delivery.

b. Paid \(\$ 10\) for a "No Smoking" sign for the conference room.

c. Paid \(\$ 900\) to add a hard disk to an employee's computer.

d. Paid \(\$ 25\) for a dust cover for a computer printer.

e. Paid \(\$ 280\) to replace a cracked windshield on a used truck that was just purchased for company use. The company bought the truck knowing the windshield was cracked.

f. Paid \(\$ 750\) for a building permit from the city for a storage shed the company is going to have built.