Calculate the material cost variance, material usage variance, and material mix variance from the following data:
Material |
Standard |
Actual |
X |
360 units@ SR 10 each |
376 units @ SR 9 each |
Y |
280 units @ SR 8 each |
304 units @ SR 9 each |
Material cost variance:
(SQ*SP) - (AQ-AP)
Material X : (360*10)-(376*9) = 216 (favourable)
Material Y : (280*8)-(304*9) = 496 (unfavorable)
Material usage variance
SP(SQ-AQ)
Material X : 10(360-376) = 160(unfavorable)
Material Y : 8 (280-304) = 192 (unfavorable)
Computation of standard mix (SM)
Standard mix means actual quantity in standard mixing ratio.
Total actual quantity = 584
Standard ratio = 360:376
SM :
Material X :( 584/736)*360 = 286
Material Y : (584/736)*376 = 298
Material mix variance :
SR(SM - AQ)
Material X:10(286-376) = 900(unfavorable)
Material Y: 8(298-304) = 48(unfavorable)
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