Some overhead data for Woo Industries are given in BE26.6. In addition, the fl exible manufacturing overhead budget shows that budgeted costs are NT$120 variable per direct labor hour and NT$1,500,000 fixed. Compute the overhead controllable variance.

Data from BE26.6:

In October, Woo Industries reports 21,000 actual direct labor hours, and it incurs NT$3,540,000 of manufacturing overhead costs. Standard hours allowed for the work done is 20,600 hours. The predetermined overhead rate is NT$180 per direct labor hour. Compute the total overhead variance.