Which income is taxable and which is deductible under sections 63 and 62 respectivly?

1. Wifes LLC incurred the following expenses in the catering business: (a) $30,000 cost of food sold during 2019; (b) $18,000 of rent paid to an unrelated, third party landlord; (c) $1,000 of utilities (for electricity, water, etc. used in the leased space); (d) $31,000 for salaries of employees; and (e) $2,100 of Social Security taxes (to match the $2,100 of Social Security tax withheld from the employees paychecks).