$2.$ MBPF Bank on the average receives $50$ loan applications per hour. Each loan application goes through an initial processing stage, where an "accept" or "reject" decision is made. Approximately $60\%$ of the loans are accepted. Accepted loans require additional processing. Rejected loans require no additional processing. Suppose that on the average $6$ loans applications are in the initial processing stage, and $25$ accepted loan applications are in an additional processing stage.

$1.$ What is the average processing time required for a rejected loan?

The potential answers are:

A: $11$ minutes.

B: $36$ minutes.

C: $39$ minutes.

D: $12$ minutes.