A KPU student purchased $150$ shares of ABC Corp. at a price of $$16$ per share.

One year later, the student sold the shares at $$20$ each. Calculate the amount of federal income tax that the student must pay on the capital gains, given that he is in the $25\%$ federal marginal tax bracket.

Round to whole dollar with no $ symbol; e$.$g$.$ $$1,234\mathrm{.}25=1234]$

$\mathrm{Answer:}$