On January 1 2014 Grier Company Purchased and Installed a Telephone

On January 1 2014 Grier Company purchased and installed a telephone system at a cost of $20000. The equipment was expected to last five years with a salvage value of $3000. On January 1 2015 more telephone equipment was purchased to tie-in with the current system for $10000. The new equipment is expected to have a useful life of four years. Through an error the new equipment was debited to Telephone Expense. Grier Company uses the straight-line method of depreciation.
Instructions
Prepare a schedule showing the effects of the error on Telephone Expense Depreciation Expense and Net Income for each year and in total beginning in 2015 through the useful life of the new equipment. $\begin{array} { l c c c } \text { Year } & \begin{array} { c } \text { Telephone Expense } \\\text { Overstated } \\\text { (Understated) }\end{array} & \begin{array} { c } \text { Depreciation Expense } \\\text { Overstated } \\\text { (Understated) }\end{array} & \begin{array} { c } \text { Net Income } \\\text { Overstated } \\\text { (Understated) }\end{array} \\\hline 2015 & & \\2016 & & & \\2017 & & & \\2018 & & &\end{array}$