P10-42 calculating and journalizing partial year deprearion

This problem continues to Davis consulting situation from problem P9-41 of chapter 9. Assume Davis consulting had purchased a computer, $1800, and office furniture, $4200, on December 3 and 4, 2014, respectively, and that they were expected to last five years. Assume that both assets have a residual value of $0

Requirements

1. Calculate the amount of depreciation expense for each cash asset for the year ended December 31, 2014, assuming the computer is depreciated using the straight line method and our office furniture is depreciated using the double-declining balance method

2. Record that entry for the one months depreciation.