Answer:
a₂₁ = 638
Step-by-step explanation:
substitute n = 21 into the explicit formula
a₂₁ = - 2 + 32(21 - 1) = - 2 + 32(20) = - 2 + 640 = 638
.04 times 33200 = 1328
33200-1328= 31872
The new price is $31872
The maturity value is 4827 and if needed interest value is 12.