Chloe’s café sells gourmet cinnamon rolls. in the long run, the café incurs a total cost of $500 to produce 1,000 cinnamon rolls. if chloe’s café exhibits economies of scale between 1,000 and 2,000 cinnamon rolls, the long-run average total cost for 1,500 cinnamon rolls is a. lower than $0.50. b. higher than $500. c. higher than $0.50. d. equal to $0.50.

Fess receives wages totaling $74,500 and has net earnings from self-employment amounting to $71,300. in determining her taxable self-employment income for the oasdi tax, how much of her net self-employment earnings must fess count? a. $74,500 b. $71,300 c. $53,900 d. $127,200 e. none of the above.

Conor is 21 years old and just started working after college. he has opened a retirement account that pays 2.5% interest compounded monthly. he plans on making monthly deposits of $200. how much will he have in the account when he reaches 591 years of age?

Parks corporation is considering an investment proposal in which a working capital investment of $10,000 would be required. the investment would provide cash inflows of $2,000 per year for six years. the working capital would be released for use elsewhere when the project is completed. if the company's discount rate is 10%, the investment's net present value is closest to (ignore income taxes) ?