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diff --git a/1208/CH9/EX9.6/Exa6.sce b/1208/CH9/EX9.6/Exa6.sce
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+//Exa 6
+clc;
+clear;
+close;
+// given data :
+//mix ratio is the same
+SQa=100//in Kgs
+AQa=120//in Kgs
+SPa=2//in rupees per Kgs
+APa=2.20//in rupees per Kgs
+SQb=50//in kg
+AQb=60//in Kg
+SPb=5//in rupees per Kg
+APb=4.50//in rupees per Kg
+//(1)  Material cost variance
+MCVa=(SQa*SPa)-(AQa*APa);//in rupees
+MCVb=(SQb*SPb)-(AQb*APb);//in rupees
+//(2)  Material price variance
+MPVb=AQb*(SPb-APb);//in rupees
+MPVa=AQa*(SPa-APa);//in rupees
+//(3)  Material usage variance
+MUVa=SPa*(SQa-AQa);//in rupees
+MUVb=SPb*(SQb-AQb);//in rupees
+//(4)  Material mix variance
+RSQa=(SQa*180)/(150);
+RSQb=(SQb*180)/(150);
+MMVa=SPa*(RSQa-AQa);
+MMVb=SPb*(RSQb-AQb);
+//(4)  Material sub usage variance
+MSUVa=SPa*(SQa-RSQa);
+MSUVb=SPb*(SQb-RSQb);
+//material A
+disp("Variances for material A")
+disp(MUVa,"MUV=");
+disp(MPVa,"MPV=");
+disp(MCVa,"MCV=");
+disp(MMVa,"MMV=");
+disp(MSUVa,"MSUV=")
+//material B
+disp("Variances for material B")
+disp(MUVb,"MUV=");
+disp(MPVb,"MPV=");
+disp(MCVb,"MCV=");
+disp(MMVb,"MMV=");
+disp(MSUVb,"MSUV=")
+disp("Note :  ")
+disp("Negative variances indicate adverse value   ");
+disp("Positive variances indicate favourable value   ")
+\ No newline at end of file