$[$The following information applies to the questions displayed below.$]$

The following are transactions for the Sky Blue Corporation:

a$.$ Collected $$3,000$ rent for the period October $1$ to December $31,$ which was credited to Deferred Revenue on October $1.$

b$.$ Paid $$1,680$ for a two$-$year insurance premium on October $1$ and debited Prepaid Insurance for that amount.

c$.$ Used a machine purchased on October $1$ for $$50,400.$ The company estimates annual depreciation of $$5,040.$

Required:

For each of the above transactions for the Sky Blue Corporation, give the accounting equation effects of the adjustments required at he end of the month on October $31.($Enter any decreases to Assets, Liabilities, or Stockholders' Equity with a minus sign.$)$

Answer is not complete.

$\backslash$table$[[$Transaction$,$Assets,$=,$Liabilities,$+,$Stockholders' Equity$],[$a$.,$Rent Revenue,$x,3,000,=,$Insurance Expense,$,1,680,+,$Depreciation Expense$],[$b$.,$Deferred Revenue,$x,(3,000),=,$Prepaid Insurance,$x,1,680,+,$Accumulated Depreciation$],[$c$.,,,,=,,,,+,]]$