The std cost of chemical mixture~PQ is as follows:
40% of material P @rs.400/kg
60% of material Q @rs.600/kg
A std loss of 10% is normally anticipated in pdn. The followinng particulars are for the month of march 2005.
180 kga of material P have been used @rs.680 /kg
220 kgs of material Q have been used @rs.360/kg.
The actual of pdn of ''PQ'' was 369 kgs.
Calculate-
Material price variance
Material usage variance
Material mix variance
Material yield varuance
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