Please may I ask for assistance and explaination

60TH red 10 minutes per unit Standard work day 8 hours Normal wage rate R120 per hour Premium 110% of piecework rate if standard or above standard: 90% of pieoework rate if below standard Mary's production for the day 50 units 1.3 Calculate the hourly recovery tariff (rounded off to the nearest cent) of Brenda from the information {4 marks) provided below. INFORMATION The basic annual salary of Brenda is R240 000. She is entitled to an annual bonus of R20 000. Her employer contributes R24 000 per annum to her pension fund. She works for 8 hours per day from Monday to Friday each week. She is entitled to 21 days paid vacation leave. There are 12 public holidays (non-working days) in the year (365 days). 10 of which fall on weekdays. 1.4 Use the information provided below to calculate the earnings of Jackie for 25 May 2021 using the {4 marks) straight piecework wage incentive scheme. INFORMATION Jackie is employed by Asic Clothing Manufacturers to sew jerseys. The standard time to sew one jersey is 30 minutes. She is paid R100 per hour and the normal working time is 8 hours per day. If she sews more than her quota. she receives twice the houriy rate on the additional output. On 25 May 2021 she sewed 20 jerseys. 1.5 Calculate the annual economic order quantity (E00) from the information provided below. {4 marks) INFORMATION Sasco Traders expects to sell approximately 1 000 boxes of cereal per month during 2022. The cost of placing an order for cereal is estimated to be R25 and the unit purchase price is R24. The inventory holding cost is 10% of the unit purchase price