Fatal Inc.manufactures parachutes.Fixed and variable manufacturing cost pools are allocated to each parachute using budgeted assembly hours.Budgeted assembly time is 4 hours per unit.The following table presents the amounts for July. 
Required:
a.Calculate the efficiency variance for variable overhead costs.
b.Calculate the rate variance for variable overhead costs.
c.Calculate the rate variance for fixed overhead costs.
d.Calculate the production-volume variance for fixed overhead costs.
Definitions:
Horizontal Line
A straight line that runs left to right across a plane or surface, parallel to the horizon.
Rung
A horizontal line of instructions or a command sequence in ladder logic programming used in PLC systems.
Matrix Limitation
Constraints or restrictions related to the operations, size, or capabilities of matrices in mathematical computations or data structures.
Rungs
Horizontal lines in ladder logic diagrams that represent individual control circuits, typically containing a series of instructions executed sequentially.
Q5: A continuous improvement budgeted cost, in terms
Q8: The direct manufacturing labour rate variance is
Q26: The chapter shows that variance analysis of
Q46: Activity-based costing relies heavily on broad averages
Q48: The practice of having the stock listed
Q53: Determination of net present value involves:<br>A) forecasting
Q55: Product-sustaining (service-sustaining),and facility-sustaining costs are equivalent terms
Q60: Discuss the importance of the sales forecast
Q70: Christy Enterprises reports the year-end information from
Q105: Calculate the rate variance for variable setup