can i have some help for the last input and the formula for it?

Compute annual depreciation using each of the following methods. a. Straight-line depreciation: Compute the depreciation rate and amount for each year. Note: Enter the rate in decimal form (such as 0.10 ) and not as a percentage. Depreciation Rate 0.2 b. Units-of-production method using service hours as a measure of input: Compute the def Depreciation rate per service hour 5 : 1.2 c. Units-of-production method using units produced as a measure of output: Compute the Depreciation rate per unt d. Sum-of-the-years'-digits method: Compute the depreciation amount for each year. e. Double-declining-balance methad: Compute the depreciation amount for eath year