Answer:
-15.9%
Step-by-step explanation:
Opening stock = $8.18
Closing stock = $6.88
Loss = $1.30
Rate = - loss/opening stock × 100
= - 1.39/8.18 × 100
= - 15.9%
the answer is D
2.4 hours
A 8.42
15.99+22.95+19.96+32.67 = 91.57
100.00-91.57 =8.42