A bank has an average asset duration of 4.7 years and an average liability duration of 3.3 years. This bank has $750 million in total assets and $500 million in total liabilities. This bank has a:

A. positive duration gap of 8.0 years.

B. negative duration gap of 2.5 years.

C. positive duration gap of 1.4 years.

D. positive duration gap of 2.5 years.