The Chart of Accounts for Corning Company Includes the Following

The chart of accounts for Corning Company includes the following:
$$\begin{array} { | l | c | } \hline{ \text { Account Name } } & \text { Account Number } \\\hline \text { Cash } & 11 \\\hline \text { Accounts Receivable } & 13 \\\hline \text { Prepaid Insurance } & 15 \\\hline \text { Accounts Payable } & 21 \\\hline \text { Unearned Revenue } & 24 \\\hline \text { Corning Capital } & 31 \\\hline \text { Corning Drawing } & 32 \\\hline \text { Fees Earned } & 41 \\\hline \text { Salaries Expense } & 54 \\\hline \text { Rent Expense } & 56 \\\hline\end{array}$$ ?
Page 3 of the journal contains the following entry:
Prepaid Insurance........1,530
Cash.............................1,530
-What is the posting reference that will be found in the prepaid insurance account?

A) 11
B) 15
C) 3
D) 13