1) Gain 2) Profit 3) Profitableness 1) Productivity 2) Profitableness 
A calculation of the profit of a product by the number of product turns and gross profit. 
The profitability is the ratio between the profit and the production. The rate of profitability brings back the profit or loss for the year to the turnover exclusive of tax ( RNC / CAHT).
A company's ability to generate revenues in excess of the costs incurred in producing those revenues
A relative measure of performance found by expressing profit as a percentage of capital employed and/or turnover.
Profitability is ability of a company to use its resources to generate revenues in excess of its expenses. In other words, this is a company?s capability of generating profits from its operations.