Which of the following trade or business expenditures of Ajax Inc. are deductible on its current year tax return? If...

Which of the following trade or business expenditures of Ajax Inc. are deductible on its current year tax return? If an expenditure is not deductible, explain why it is not a valid deduction.

Amount Salaries and wages to employees...................................................... $400,000

Purchase of new office building...................250,000