5. (10 min.)

1. Maturity value: $8,120

$8,000 x 6% x 3 ÷ 12 = $120 + $8,000 = $8,120

2. Maturity value: $11,198

$11,000 x 9% x 72 ÷ 360 = $198 + $11,000 = $11,198

3. Maturity value: $3,015

$3,000 x 6% x 30 ÷ 360 = $15 + $3,000 = $3,015