Helms Company purchases a delivery truck for $$12,000$ on January $1$ of Year $9.$ Helms expects to use the truck

only two years and to sell it for $$4,000.$ The company's policy is to use straight$-$line depreciation, but deprecia$-$

tion in Year $9$ is not recorded. Rather, the accountant charges the entire cost to delivery expense in Year $9.$ The

controller discovers the error late in Year $10.$ The company's tax rate is $25\%.$

Required

a$.$ Provide the Year $10$ entries to record $(1)$ the error correction and $(2)$ depreciation expense for the year.

b$.$ Indicate the amounts of the prior period adjustments appearing in the Year $10$ retained earnings section of

the statement of stockholders' equity.