Farmer Ben knows that feeding a grain supplement to his cows will produce more mik according to the following schedule Total Pounds Total Extra Pounds of Supplement Used of Milk 1 6 2 10 3 13 4 14 5 15 6 15,5 Ignoring all other issues, how many pounds of grain supplement should Farmer Ben feed his cows if the price of milk is $0.20 per pound and the price of grain supplement is $130 per pound? O 5 06 3