Sometimes a radio program is added to the carrier in such a way that the program signal causes fluctuations in the carrier's frequency. This is called frequency modulation (FM). Another way of sending a radio signal is to make the peaks of the carrier wave bigger or smaller.
Calculating the percentage profit made. It is also possible to work out the percentage profit that is made on a deal. This is done using the profit and the price that something cost originally, before it was sold on (the Cost Price). Percentage Profit = (profit/cost price) x 100%. The next example shows how this is done. Example.
Net Profit Margin: This is often the equation used to determine an entire organizationâs profit margin. Net profit margin is calculated by taking the companyâs total sales for a given time period, subtracting total expenses and then dividing that figure by total revenue. For example, letâs say your company generates $10 million in sales and has operating expenses of $5 million.