A customer brings an old PC to a computer repair shop and asks for advice with regard to its repair or replacement. The PC has numerous errors during the boot process and is running a very outdated operating system. Which of the following should the technician do? 

Answer options:

A. Ask if the customer would like to donate the PC to a school
B. Offer to sell a slightly newer computer to the customer
C. Work on the computer and bill the customer for the time
D. Advise the customer that the cost of repair is more than a new PC

D