एक व्यक्ति एक वस्तु को 12.5% की हानि पर बेचता है। यदि उसने इसे 103.60 रुपये अधिक में बेचा होता, तो उसे 6% का लाभ होता। वस्तु का क्रय मूल्य क्या है?

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?