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Solution
1)company prepared meals = 7200
standard hour required to prepare a meal = 0.4 direct labour hour
so standard hour required to prepare 7200 meals = 7200*0.4= 2880 hour
2) standard labor cost allowed
standard hour required to prepare 7200 meals = 2880 hour
standard cost for 1 hour = $7.5 per hour
so standard labor cost = 2880*7.5 = $ 21600
3) labor spending variance
standard labor cost = $ 21600
actual labor cost = $ 22400
labor spending variance = 21600- 22400 = 800(unfavourable) since incurred more than standard
4) labor rate variance = actual hour ( actual rate - standard rate)
labor rate variance = 2800 (8-7.5) = 1400 (unfavourable)
labor efficiency variance = standard rate (actual hour - standard hour)
labor efficiency variance = 7.5 (2800-2880) = 600 (favourable)
conclusion: labor were efficient as they took less hour to prepare 7200 meal but since rate paid were more than budgeted hence ultimately result turned( spending ) unfavourable.
logistics solution
1)company shipped items = 140000
standard hour required to fullfill anorder peritem = 0.03 direct labour hour
so standard hour required to fullfill an order= 140000*.03 = 4200 hour
2) standard variable overhead cost allowed
standard hour required to fullfill an order = 4200 hour
standard cost for 1 hour = $3.05 per hour
so standard labor cost = 4200*3.05 = $12810
3) variable overhead spending variance
standard labor cost = $ 12810
actual labor cost = $ 15900
labor spending variance = 12810-15900 = 3090(unfavourable) since incurred more than standard
4) variable overhead rate variance = actual hour ( actual rate - standard rate)
variable overhead rate variance = 5300 (15900/5300 - 3.05) = 265 (favourable)
variable overhead efficiency variance = standard rate (actual hour - standard hour)
labor efficiency variance = 3.05 (5300-4200) = 3355 (unfavourable)

