Standard Costing

                       Standard   Costing

             Multi material variance working Table

SN.                 QTY           MIX        PRICE           RESULT
A                      S:900         S:30              S: 3             SQ * SP ( 170/70 *900)
                                              40                 2
B                      A:920         S:30              S:3               AQ * SP (170/70 *920)
                                              4                   2
C                      A:920         A:200            S:3                AQ * SP (800/300 *920)
                                              100                2
D                      A:920         A:200             A:4                AQ * AP (1400/300 *920)
                                                100               6
Variance
1. material yield variance   = A - B
2. material mix variance     = B -C
3. material usage variance  = A-C
4.material cost variance     = A-D



                Multi labour with no idle time working table
SN.           Time           Mix            Rate               Result
A.              S:                 S:              S:                   ST * SR
B.              A:                 S:              S:                   AT * SR
C.              A:                A:              S:                    AT * SR
D.              A:                A:              A:                    AT * AR

Variance
1 labour yield variance        = A - B
2 labour mix variance          = B - C
3 labour efficiency variance = A - C
4 labour rate variance         = C - D
5 labour cost variance        =  A - D



          Multi labour with idle time working table
SN.              TIME          MIX         RATE          RESULT
A                    S:                S:               S                 ST *SR
B                    A/W            S:               S                 AW * SR
C                    A/W           A:               S                  AW * SR
D                    A/P             A:               S                  A/P * SR
E                     A/P             A:               A                 A/P * AR

idle time = AP- A/W

Variance
1 Labour yield variance             = A-B
2 Labour mix variance               = B-C
3 Labour net efficiency variance = A-C
4 Labour idle time variance        = C-D
5 Labour gross efficiency variance= A-D
6 Labour rate variance                 = D-E
7 Labour cost variance                 = A-E