During the COVID$-19$ pandemic, many people decided to start making face masks and selling them on the Internet. Etsy, for example, sold face masks from many different sellers. Suppose that Mary decided to quit her job where she earned $$3,600\mathrm{.}00$ per month. During the month of July $2020,$ Mary sold $1,100\mathrm{.}00$ masks at $$7\mathrm{.}00$ per mask. The following table reports information for Mary's costs to make the face masks.

$\backslash$table$[[$Item$,$Amount$],[$Material$,$$$3,300\mathrm{.}00$