QPR Ltd manufactures product ALV46. The first unit took 16 hours to manufacture. They used incorrect measures of direct material. Many of the mistakes were corrected when manufacturing the second unit and this unit took 12 hours to be produced. Required: 1.1 Calculate the learning curve rate. 1.2 Use the tabular method to calculate the cumulative labour hours. The fearning curve last for 32 units. 1.3 How much time does it take to produce the last 16 units? 1.4 Calculate the total labour cost for the 32 units if the labour rate is R150 per hour. 1.5 How long will it take to produce 64 units? (2) NB: ROUND OF UNITS, HOURS, AND TOTAL COSTS TO 3 DECIMAL PALCES