please answer 2.1.1 and 2.1.2

2.1 The following data are for a time study completed by Ronewa at Unisa printing department. Calculate the: 2.1.1 B a sic standard time for all elements. 2.1.2 Total Standard time for all elements. Note: i) All times in standard minutes ii) Extended basic times nit within 17% limit of the average observed times are to be regarded as unreliable. iii) A rating scale of 80120 was used where the standard rating is 100 (normal). iv) Rest allowance for element 1=10%, Element 2=11% and Element 3=15% Round off your answers to 2 decimal places