A man sells two goods for ₹3,600 each. He gains 17% on the first but loses 20% on the second. What will be his total percentage loss in the entire transaction (rounded to the nearest integer)?

A company considers hiring an extra machine for $150 per day to produce additional units. If the additional throughput contribution generated from producing these units on the machine is $390, by how much will total profit increase?

If the cost price of an article is 85 times its selling price, what is the loss percentage?