farmer are 20 Hectare growing barely and sweds.the farmers has to decide how much of each to growth. the cost per hectare for barely in £30 and for Swds £20. the farmer has budgeted £480.barely require 1 man-day per hectare and swed require 2-man day per hectare. they are 36 man-days available. the profit on barely £100 per hectare and for sweds is £120 per hectare. find the number of hectare of each crop the farmer should to sow maximize profits? using graphical method and simplex method