Mr. keth sold two pipes at $3 each. Based on the cost, his profit one was 30% and his loss on the other was 15%. On the sale of the pipes. Find the amount of his profit or loss?  Choose the correct choice from the following options.
A) lost 10 cents B) lost 50 cents C) broke even D) gained 60 cents E) gained 40 cents
30 % profit on $ 3   = $ 30/100 ×3   = $ 0.30× 3   = $ 0.90   Similarly, 15% loss on $ 3   = $ 15/100 × 3   = $ 0.15 ×3   = $ 0.45   Therefore, in one pipe his profit is $ 0.90 and in the other pipe his loss is $ 0.45   so profit by amount $0.40.   Answer is gained 40 cents
<result>E</result>
Mr. keth sold two pipes at $3 each. Based on the cost, his profit one was 30% and his loss on the other was 15%. On the sale of the pipes. Find the amount of his profit or loss?