Tweedie Company reported the following in the long-term asset section of its balance sheet; assume that not PPE was purchased or sold during the period.

Dec. 31, Year 2

Dec. 31, Year 1

Equipment, net of depreciation of $120,000 and 100,000, respectively

$167,500

$187,500

Patent, net of amortization of $31,500 and $27,000, respectively

88,000

92,500

The company uses the straight-line method to depreciate and amortize all of its operating assets.Assume the salvage value of the equipment is 10% of cost.What is the useful life of equipment?You may round to the nearest year year.

Select one:

a.11

b.13

c.14

d.12

e.10