Fill in the blank.

1. When the deduction in price is expressed as a percentage of the original price, it is called _____.

2. A remuneration that is awarded to sales agents for services rendered or product sold is called _____.

3. The ultimate goal of any business whether a retail or wholesale is to earn a _____.

4. Break-even happens when _____.

5. In response to some market conditions, the reduction of regular selling price of a particular product is referred to as ________.