Answer: $4.11
Explanation:
Given the cost of vase as 23.50 including a 17.5% of profit, this means.
17.5% of 23.5= 17.5/100 × 23.5
= 0.175 x 23.5
= 4.113
Profit amount = $4.1
Hence the amount of profit is $4.1, buying cost = Selling Cost of vase - profit amount
19.39 = 23.50 - 4.113.
I hope this helps.