Question 15 (2 points) Stevenson produces a lawn and garden product called FastGrow. The direct materials and direct labour standards for one unit of FastGrow follow: Direct materials Direct labour Variable overhead Standard Quantity Standard Price Standard or Hours or Rate Cost 4.10 kilograms $ 1.90per kilogram $ 7.79 0.40 hour $ 8.00 per hour 3.20 0.40 hour $ 1.30per hour 0.52 The budgeted fixed overhead cost is $14,810 per month. The denominator activity level of the allocation base is 1,320 direct labour-hours. During the most recent month, the following activity was recorded: a. 10,400 kilograms of material were purchased at a cost of $2.18 per kilogram. b. All of the material purchased was used to produce 3,300 units of Zoom. c. A total of 800 hours of direct labour time was recorded at a total labour cost of 8,960. d. The variable overhead cost was $1,600, and the fixed overhead cost was $26,228. Required: Calculate the variable overhead spending and efficiency variances for the month. Indicate the effect of each variance by selecting "F" for favourable, "U" for unfavourable. Round "Efficiency variance" to 2 decimal places