Iwill mark as the brainliest

a used electronics store pays $40 for each cell phone, spends $25 refurbishing the phone, and sells the refurbished phone to a customer for $100.

a. write an expression in simplest form that represents the company's earnings (in dollars) from buying, processing, and selling cell phones. use x to represent the number of cell phones they sell.

an expression is (i need an expression to ) dollars.

question 2

b. what does the coefficient of the expression in part (a) represent?

a.) the amount (in dollars) the company spends on each phone

b.) the amount (in dollars) the company earns from each phone

c.) the amount (in dollars) the customer loses from each phone

d.) the total number of phones the company sells