Public goods should be produced up to the point at which the marginal cost of production equals: a. b. the maximum price any individual is willing to pay for that unit. the sum of the individual marginal benefits from all consumers of that unit. C. zero, which is the marginal cost of allowing another individual to consume the good. d. the highest marginal benefit from any individual consumer of the good. e. the lowest marginal benefit from any individual consumer of the good.

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?