Edgar's aunt gave him $72 to spend on clothes at the mall. he bought 4 shirts that cost $9 each and a pair of pants that cost $17. how much money does edgar have left to buy more clothes?

The elmina wilson company produces spaghetti sauce that is used in restaurants. the fixed costs total $1,329,050. the selling price per 64 oz. can of sauce is $12.40. the variable cost per can is $4.80. what is the break-even point in number of cans?