Explanation

The formula for calculating the profit margin is:

Profit Margin = (Net Income / Revenue) * 100

Additional information:

The formula for calculating the gross profit margin is:

Gross Profit Margin = (Revenue - Cost of Goods Sold) / Revenue * 100

Explanation

To determine the selling price, we can use the formula:

Selling Price = Cost of Goods Sold (COGS) + Gross Profit

In this case,

the COGS is RS 120

and the gross profit is RS 80.

So, the selling price would be:

Selling Price = RS 120 + RS 80

Selling Price = RS 200

Explanation

1. First, we need to calculate the interest amount for each installment.

Since the loan is to be repaid in three equal installments, the principal amount for each installment would be Rs 15,000 / 3 = Rs 5,000.

2. The interest for each installment can be calculated by multiplying the principal amount by the annual interest rate.

In this case, it would be Rs 5,000 * 0.08 = Rs 400.

3. Since there are three installments, the total interest paid would be Rs 400 * 3 = Rs 1,200.

Therefore, the total interest paid on the loan would be Rs 1,200.

Explanation

Gross Profit = Selling Price - COGS

Gross Profit = Rs 150 - Rs 80

Gross Profit = Rs 70

Explanation

The annual interest rate is typically expressed as a percentage, such as 4% or 8%.

It represents the rate at which interest is earned or paid on a loan or investment over a year.

This percentage represents a fraction of the principal amount.