a $75 portable speaker is sold in bulk to your store for $60. calculate the trade discount rate.\n?%

a $75 portable speaker is sold in bulk to your store for $60. calculate the trade discount rate.\n?%
Answer
Explanation:
Step1: Calculate the discount amount
$75 - 60=15$
Step2: Calculate the trade - discount rate
The trade - discount rate formula is $\text{Trade - discount rate}=\frac{\text{Discount amount}}{\text{List price}}\times100%$. Substitute the values: $\frac{15}{75}\times 100%$. $\frac{15}{75}\times100% = 0.2\times100%=20%$
Answer:
$20$