The Tennysons purchased 450 shares of Software Design Study stock at 10 ¾ and sold 2 years later at 17 7/8. They paid a 1.25% sales commission when they purchased the stock and paid a 3.25% sales commission when they sold. What was the profit or loss from the sale?

A (U.S.) business math course typically includes a review of elementary arithmetic, including fractions, decimals, and percentages. Elementary algebra is often included as well, in the context of solving practical business problems.