You are considering upgrading from your current inkjet printer to a laser printer. Your old printer cost $350. The new printer costs $600. Print cartridges for the old printer cost $80 each, and print cartridges for the new printer cost $120 each. Cartridges for both printers last for approximately 500 sheets of printing. Your roommate has offered to purchase your old printer for $50. You expect to print 250 sheets per month. What is the annual incremental cost of ink cartridges for the two printers?

Select answer from the options below

$1,200

$720

$480

$240