A Prince Edward Island Resident Earned $20,000 in Interest Income $\textbf{ Combined marginal tax rates for individuals in top provincial tax brackets }$

A Prince Edward Island resident earned $20,000 in interest income and $10,000 in capital gains. Calculate the average tax rate. $\textbf{ Combined marginal tax rates for individuals in top provincial tax brackets }$

A) 37.48%
B) 38.48%
C) 39.48%
D) 40.48%
E) 41.48%