Question 3 (7 marks) a) Zoom Tech Ltd investigates all variances above 10 percent of the flexible budget. The flexible budget for direct labour is $50,000. The direct labour rate variance is $4000 unfavourable, and the direct labour efficiency variance is $6,000 favourable. Required: Provide two possible explanations for each variance identified in this question. (4 marks) b) A flexible budget for Aqua Company for 5000 hours is shown below: Required: Prepare a flexible budget for 10000 hours and 14000 hours