Ities in the production and processing sectors in South Africa Farm workers wages are required by South African labour law. Farm workers generally work ning hours a day, five days a week TABLE to the main wages for farm workers for the period 1 March 2009 to 1 March 2011 TABLE 1: Wage rates for farm workers from 2009 to 2011 YEAR HOURLY WEEKLY MONTHLY 2009 R6,31 A RI 230.45 2010 R.6,74 R303.30 2011 R7,04 R316,80 RI 372,80 11 Calculate the missing value A 1.2 Calculate the missing value B by using the formula Monthly rate (in rand) = Weekly rate (in rand) *13 3 Calculate the percentage increase in the weekly rate from 2010 to 2011 1.3 Use the formula: Percentage increase = Difference in weekly X 100% Initial weekly rate