Jane Has Just Started a Job at a Local Shoe

Multiple Choice

Jane has just started a job at a local shoe retailer. One of her first tasks was to compile the above worksheet, showing the first quarter. Her boss has reviewed the worksheet and asked her to add some functions and formulas to the worksheet.
-What formula would yield the correct results for cell C18?

A) =C8-(C14+C16)
B) =C8-C14-C16
C) either a or b
D) neither a nor b