Nanjones Company manufactures a line of products distributed nationally through wholesalers. Presented below are planned manufacturing data for the year and actual data for November of the current year. The company applies overhead based on planned machine hours using a predetermined annual rate. Planning Data

Annual November

Fixed manufacturing overhead $1,200,000 $100,000
Variable manufacturing overhead 2,400,000 220,000
Direct labor hours 48,000 4,000
Machine hours 240,000 20,000

Data for November

Direct labor hours (actual) 4,200
Direct labor hours (plan based on output) 4,000
Machine hours (actual) 21,600
Machine hours (plan based on output) 21,000
Fixed manufacturing overhead $101,200
Variable manufacturing overhead $214,000

The fixed overhead volume variance for November was

a. $1,200 unfavorable.
b. $5,000 favorable.
c. $5,000 unfavorable.
d. $10,000 favorable.

Manufacturing overhead volume variance= $1,200 unfavorable

Explanation:

First, we need to calculate the predetermined overhead rate:

Predetermined manufacturing overhead rate= total estimated overhead costs for the period/ total amount of allocation base

Fixed Predetermined manufacturing overhead rate= 1,200,000/240,000

Fixed Predetermined manufacturing overhead rate=  $5 per machine hour

Now, to calculate the fixed manufacturing overhead volume variance, we need to use the following formula:

Manufacturing overhead volume variance = Actual Factory Overhead - Budgeted Allowance Based on Standard Hours

Manufacturing overhead volume variance= (101,200) - (5*20,000)

Manufacturing overhead volume variance= $1,200 unfavorable

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