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.
Profit margin or net profit margin is a ratio that describes how much profit a company makes for every dollar of sales. A companyâs profit margin is calculated by dividing net income by revenues. Revenues are the total sales and net income is the total sales minus costs. The profit margin of a company is expressed as a percentage, so a 15% percent profit margin translates into a $0.15 profit for every dollar of sales. A companyâs profit margin fluctuates each quarter and has a direct effect on its stock price. A companyâs market share, on the other hand, reflects the amount of products the company sold compared to the total number sold by all companies in a given market or industry.