The candy company has 141 kg of chocolate covered nuts and 93 kg of chocolate covered raisins to be sold as 2 different mixes. One mix will has half nuts and half raisins and will sell for $7 per kg. Other mix has 3/4 nuts and 1/4 raisins and will sell for $9.50 per kg. How many kilograms of every mix must company prepare for maximum revenue? Determine maximum revenue.