Bluebird mfg. has received a special one-time order for 15,000 bird feeders at $3.60 per unit. bluebird currently produces and sells 75,000 units at $7.60 each. this level represents 80% of its capacity. production costs for these units are $4.40 per unit, which includes $2.55 variable cost and $1.85 fixed cost. if bluebird accepts this additional business, the effect on net income will be:

Acompany manufactures x units of product a and y units of product b, on two machines, i and ii. it has been determined that the company will realize a profit of $3 on each unit of product a and $4 on each unit of product b. to manufacture a unit of product a requires 7 min on machine i and 5 min on machine ii. to manufacture a unit of product b requires 8 min on mchine i and 5 min on machine ii. there are 175 min available on machine i and 125 min available on machine ii in each work shift. how many units of a product should be produced in each shift to maximize the company's profit p?