Answer the Following Questions.(Show Your Work. )

Essay

Answer the following questions.(Show your work. )
a.A machine was purchased on July 1,20x9.It had a cost of $36,000 and an estimated useful life of nine years with zero value at that time.What is the machine's carrying value after four years?
b.On April 1,20x0,a company paid in advance $54,000 for three years' insurance.How much Prepaid Insurance remains on the balance sheet on December 31,20x0?
c.A company began the year with $800 in supplies,purchased $2,000 in supplies,and ended the period with $600 in supplies.How much is Supplies Expense for the period?
d.A company was paid $1,800 in advance for services to be performed.At year end,one-third had not yet been earned.How much in Service Revenue should be recorded?