1. On January 1,20X1, WebHelper Ine. purchased equipment for $150,000. The estimated service life of the equipment is 9 years and the estimated residual value is $5,000. The equipment is expected to produce 290,000 units during its useful life. Calculate depreciation for 20X1,202 and 203 using each of the following methods assuming that WebHelper Inc, has a December 31 fiscal year end. Round all computations to the nearest dollar. a. Straight line, b. Sum-of-the-years' digits. c. Double declining balance. d. One hundred sixty percent declining balance. e. Units of production (units produced in 201,27,000; units produced in 202 and 203, 25,000 in each year)