Now Sound rents a 20 foot by 40 foot area at the Nottingham Mall. Now Sound pays $2.75 per square foot per year plus 5% of gross sales. Last year Now Sound had $165,000 in gross sales. What was its monthly rent to the nearest whole dollar?

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.