Given:
A shipment of portable stereos is received at a cost of $102.30 each and further sold at a price of $181.99 each.
To Find:
The percent of markup
Answer:
The percent of markup is 77.9%
Explanation:
We find the markup by first calculating the difference between the cost at which the store buys the shipment of portable stereos and selling price.
This difference is $(181.99-102.30) = $79.69
Next, we find the percentage of this difference as follows

Therefore, the percentage of markup is apprximately 77.9%