production order variance

Dear all ,

i have one production order with CNF & DLV , TECO status . When we are calculating the Variance for the production order

Target Cost Actual Cost Allocated Actual WIP SCRAP VARIANCE

153,000 149,000 0 0 0 149,000

How come the variance is 149,000 , ( actually it is supposed to be 4000 rs ).

Pl guide .