Answer :
The difference between a job's standard hours and actual hours is called a time variance. In standard costing, the idea is used to find production process inefficiencies.
40000,0.67,0.53 BAC equals $100,000 at 20 weeks AC equals $60,000 PV equals 50% x $100,000 equals $50,000 EV equals 40% x $100,000 equals $40,000
% Complete = EV ÷ BAC = $40,000 ÷ $100,000 = 40%
% Spent = AC ÷ BAC = $60,000 ÷ $100,000 = 60%
Cost and Timetable Fluctuations:
Time Variance: CV = EV + AC = $40,000 + $60,000 = -$20,000.
SV = EV + PV = $40,000 + $50,000 = -$10,000
TV = SV = PV Rate = -$10,000 = $2,500 per week = -4 weeks Performance Indicators: PV Rate = $100,000 40 weeks = $2,500 per week
CPI = EV AC = $40,000 $60,000 = 0.67.
SPI = EV PV = $40,000 $50,000 = 0.80;
and CR = CPI SPI = 0.67 0.8 = 0.53.
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