Which of the following is the correct mathematical representation of direct labor rate variance (lrv)?
a. direct labor rate variance = (actual hourly wage rate − standard hourly wage rate) × actual direct labor hours used
b. direct labor rate variance = (standard direct labor hours allowed − actual direct labor hours used) × standard hourly wage rate
c. direct labor rate variance = actual hourly wage rate − standard hourly wage rate
d. direct labor rate variance = standard direct labor hours allowed − actual direct labor hours used

not in any option

Explanation: Labour rate variance = (standard Labour hour - actual Labour hour) × actual Labour hour.

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.

1. avoid them

2. a talk with them

3. ask someone you trust

4. ignore

5. call police