S 2 points On Jan. 1. 2014, Herrera Co. put into service a milling machine that had a capitalized acquisition cost of $15,000, a useful life of 8 years, and an estimated salvage value of $0 (zero). Annual depreciation expense was calculated as $1,875/yr on a straight-line basis. On Jan 1, 2020, Herrera revises the total useful life estimate to 10 years. What is Herrera's annual depreciation expense for the machine in 20202 $750 $937.50 $1,406,25 O $1,875