Fikile's Furnishers manufactures wooden tables for the local market. The production figures are shown in the table below:

	2017	2018	2019	2020
Output	560 500	678 500	779 050	1 050 225
Number of workers employed	25	30	46	55
Working hours per day	7.5	7.5	7.5	9
Working days per annum	240	245	250	260
Material cost (R's)	125 000	175 000	250 000	400 000

2.1 Calculate the multifactor productivity for the years 2017 to 2020 for the above.