Please calculate the following: If your fixed monthly utility charge is $50, your variable cost is $0.04 per kilowatt hour, and your monthly activity level is 3,000 kilowatt hours, what is the amount of your utility bill? b. Contribution statement Sales = $100,000 Variable expense = required Contribution margin = $40,000 Fixed expenses required Net operating income $10,000 Please calculate variable and fixed expense in the above contribution statement. c. Job WR53 at NW Fab, Inc. required $200 of direct materials and 10 direct labor hours at $15 per hour. Estimated total overhead for the year was $760,000 and estimated direct labor hours were 20,000. What would be recorded as the cost of job WR53? d. Beginning raw materials inventory was $32,000. During the month, $276,000 of raw material was purchased. A count at the end of the month revealed that $28,000 of raw material was still present. What is the cost of direct material used?