Bundy Company purchased several computerized cash registers on April 2, 2019, at a total cost of $36,600. Estimated useful life of the registers is four years, and their total expected salvage value is $1,600. Bundy uses the straight-line method of depreciation and has a December 31 year-end. Determine the amount of depreciation expense in 2019 assuming, alternatively, that 

(a) Depreciation is calculated to the nearest month 

(b) Bundy uses the midyear convention.