Conrad Playground Supply underwent a restructuring in $2018.$ The company conducted a thorough internal audit, during which the following facts were discovered. The audit occurred during $2018$ before any adjusting entries or closing entries are prepared.

a$.$ Additional computers were acquired at the beginning of $2016$ and added to the company's office network. The $$45,000$ cost of the computers was inadvertently recorded as maintenance expense. Computers have five$-$year useful lives and no material salvage value. This class of equipment is depreciated by the straight$-$line method.

b$.$ Two weeks prior to the audit, the company paid $$17,000$ for assembly tools and recorded the expenditure as office supplies. The error was discovered a week later.

c$.$ On December $31,2017,$ merchandise inventory was underslated by $$78,000$ due to a mistake in the physical inventory count. The company uses the periodie inventory system.

d$.$ Two years earlier, the company recorded a $4\%$ stock dividend $(2,000$ common shares, $$1$ par$)$ as follows:

Retained earning $1\mathrm{.}000$ Common stocl

$2,000$

The shares had a market price at the time of $$12$ per share.

e$.$ At the end of $2017,$ the company failed to accrue $$104,000$ of interest expense that accrued during the last four months of $2017$ on bonds payable. The bonds, which were issued at face value, mature in $2022.$ The following entry was recorded on March $1,2018,$ when the semiannual interest was paid, as well as on September I of each year:

$156,000$

f$.$ A three$-$year liability insurance policy was purchased at the beginning of $2017$ for $$72\mathrm{.}000.$ The full premium was debited to insurance expense at the time.

Required: $$

For each error, prepare any journal entry necessary to correct the error, as well as any year$-$end adjusting entry for $2018$ related to the situation described. $($Ignore income taxes.$)$