3. Kekotak Sdn. Bhd. has the following standard cost for its product, Boxx: Direct material Direct labour 5 metres X RM28 per unit 6.5 hours X RM33 per hour Additional information for the month of November 2020 is as follows: Units made Direct material bought Direct material used Direct labour 1,300 units 2,450 metres for RM63,700 7,100 metres 6,300 hours (direct labour cost of RM195,300) Based on the information given, you are required to: Direct Material Price Variance (SP-AP) X AQ AP = RM 63,700/2450 = RM 26 = (RM 28 - RM26) x 2450 = RM 4,900 (Favourable) Direct Material Quantity Variance = (SQ - AQ) x SP SQ 5 x 1300 6500 = (6500 - 7100) x RM 28 = RM 16,800 (Unfavourable) Direct Labour Rate Variance = (SR-AR) x AH AR = RM 195,300/6300 = RM 31 = (33-31) x 6300= RM 12,600 (Favourable) Direct Labour Efficiency Variance = (SH-AH) x SR SH=6.50 x 1300 = 8450 Hour = (8450 - 6300) x RM 33 = RM 70,950 (Favourable) b) Discuss the reasons for favourable direct labour efficiency variance to occur. (4) c) Explain the usefulness of variance analysis to the management of Kekotak Sdn. Bhd. (4)