During 2014, the Cash Flows Related to Global Data, Inc

During 2014, the cash flows related to Global Data, Inc.'s lending and borrowing activities are summarized as follows:
$\begin{array} { | l | r | } \hline \text { Cash lent to borrowers } & \$ 132,600 \\\hline \text { Payment to retire bonds payable } & \$ 367,500 \\\hline \text { Proceeds from borrowing at bank (note payable) } & \$ 220,500 \\\hline \text { Interest received from borrowers } & \$ 31,500 \\\hline \text { Interest payments made on bonds payable } & \$ 42,000 \\\hline\end{array}$

-If interest receivable was $6,300 at 31 December 2013, and is $10,500 at the end of 2014, interest revenue reported in Global Data's income statement for 2014 must have been:

A) $16,800
B) $21,000.
C) $35,700.
D) Some other amount.