A beef wholesaler and grocery store are working out weekly price agreement. The whole-saler is willing to supply the grocery store 1000 pounds of beef per week at a price of $2 per pound and 800 pounds per week at a price of $1.60 per pound. The grocery store is willing to pay the wholesaler $1.30 per pound for 600 pounds per week and $1 per pound for 1200 pounds per week. Find the supply function, the demand function, the break even quatanity, and the break even price.