The marginal external cost per unit of effluent discharged into a river by a perfectly competitive chemical industry is currently estimated to be $50 per ton per year. Which of the following statements is true? Group of answer choices At the efficient output, the marginal social benefit of discharging effluent will be zero. Efficiency can be achieved with a $50 per ton annual effluent charge. Efficiency can be achieved by banning discharge of effluent. At the competitive equilibrium output, the marginal social benefit of discharging effluent is $50.

Susan is a 5th grade teacher and loves getting up every day and going to work to teach her students. this is an example of a. extrinsic value b. interests c. intrinsic value d. external value

Richard is one of the leading college basketball players in the state of florida. he also maintains a good academic record. looking at his talent and potential, furman university offers to bear the expenses for his college education.

Faldo corp sells on terms that allow customers 45 days to pay for merchandise. its sales last year were $325,000, and its year-end receivables were $60,000. if its dso is less than the 45-day credit period, then customers are paying on time. otherwise, they are paying late. by how much are customers paying early or late? base your answer on this equation: dso - credit period = days early or late, and use a 365-day year when calculating the dso. a positive answer indicates late payments, while a negative answer indicates early payments.a. 21.27b. 22.38c. 23.50d. 24.68e. 25.91b