University of Jeddah wants to purchase a huge printing machine for both staff and students at engineering college. HP printer is the cheapest option online and it will cost $11, 000. The annual operating cost for the HP printer is $2000 and the salvage value is $2000 after 4 years. Epson printer will cost $18, 000 with an annual operating cost of $6000. The estimated salvage value for an Epson printer is $4000 after 6 years. Calculate the AW of the two machines? And which printing machine should University of Jeddah select at an interest rate of 10% per year? A)-3400 B)-2400 C)-3627 D)-1273