Transaction Journals:

Each of the $10$ transactions is journalized using proper journal format $($debit against the left margin, credit indented$),$ contains the correct debit account, correct credit account and is balanced with the correct amounts.

a$.)$The estimated depreciation for the machinery owned by M$4$ Engineering is $$13,800.$

b$.)$ The unadjusted trial balance indicates $$24,000$ of prepaid insurance.The annual policy was

purchased on October $1.$

c$.)$The unadjusted trial balance indicates $$52,000$ of unearned fees. As of December $31,$ only $$18,000$

of the work still needs to be done.

d$.)$The unadjusted trial balance indicates $$10,000$ of prepaid rent. The unexpired amount as of December $31$ was $$2,000.$

e$.)$ The unadjusted trial balance indicates a $$7,500$ balance in the supplies account.

An inventory of the supplies indicates that only $$2,500$ of supplies remains on hand.

f$.)$ Wages of $$12,250$ have been earned by employees but have not yet recorded