Can you answer all of the them please. THANK YOU!!

What is a disadvantage of using standard costs? A. Motivation of managers B. Usefulness in budgeting C. Simplifies bookkeeping D. Lack of timeliness Smith Manufacturing designs and manufactures bathtubs for home and commercial applications. The company A. $3,600 favorable B. $3,600 unfavorable C. $10,500 favorable D. $10,500 unfavorable A. $5,070 favorable B. $5,070 unfavorable C. $3,900 favorable D. $3,900 unfavorable