Preble Company manufactures one product. Its variable manufacturing overhead is applied to production based on direct and its standard cost card per unit is as follows: Direct material: 4 pounds at $9 per pound Direct labour: 3 hours at $15 per hour Variable overhead: 3 hours at $6 per hour Total standard variable cost per unit $36 45 18 $99 Fixed overhead was budgeted at $587.000. Fixed overhead is applied on the basis of direct labour-hours. The company a established the following cost formulas for its selling expenses: Variable cost per Unit Sold Advertising Sales salaries and commissions Shipping expenses Fixed cost per Month $ 210,000 $ 110,000 $ 13.00 4.90 The static (i.e., planning) budget for March was based on producing and selling 26,000 units. However, during March the actually produced and sold 31,000 units and incurred the following costs a. Purchased 155,000 pounds of raw materials at a cost of $7.2 per pound. All of this material was used in production. b. Direct-labourers worked 56,000 hours at a rate of $16 per hour. c. Total variable manufacturing overhead for the month was $524,600. And fixed manufacturing overhead was $582,000 d. Total advertising, sales salaries and commissions, and shipping expenses were $211,000, $500,000, and $142,000, res Required: What is the direct labour efficiency variance for March? (Input the amount as a positive value. Leave no cells blank - be enter "0" wherever required. Indicate the effect of each variance by selecting "F" for favourable, "U" for unfavourable for no effect (i.e., zero variance.).) c. Total variable manufacturing overhead for the month was $524,600. And fixed manufacturing c d. Total advertising, sales salaries and commissions, and shipping expenses were $211,000, $500 Required: What is the direct labour efficiency variance for March? (Input the amount as a positive volue. Le enter "0" wherever required. Indicate the effect of each variance by selecting "F" for favourabl for no effect (i.e., zero variance.).) Labour efficiency variance