During March,Getze Family Automotive Installed a New Engine with a Billed

During March,Getze Family Automotive installed a new engine with a billed price of $3,500.The company did not bill for the engine until April 1.Ignore the cost of the engine installed.What adjusting entry would Getze Family Automotive make on March 31?

A) $\begin{array} { l l l } \text { Prepaid revenue } & 3,500 & \\\quad\text { Service revenue } & & 3,500 \\\end{array}$

B) $\begin{array}{lccc}\text { Service revenue } & 3,500 & \\\quad\text { Unearned revenue } & & 3,500 \\\end{array}$

C) $\begin{array}{lccc}\text { Unened revenue } & 3,500 & \\\quad \text { Service revenue } & & 3,500 \\\end{array}$

D) $\begin{array}{lccc}\text { Service revenue } & 3,500 & \\\quad \text { Prepaid revenue } & & 3,500 \\\end{array}$

E) $\begin{array}{lccc}\text { Accounts receivable } & 3,500 & \\\quad\text { Service revenue } & & 3,500\end{array}$