Which of the following is true? a) monopolistic competition and perfect competition are both inefficient. b) monopolistic competition is efficient because of product differentiation. c) the inefficiency of monopolistic competition may be a small price to pay for the wide range of product choices it offers. d) the inefficiency of monopolistic competition is a result of advertising expenses.

The card shoppe needs to maintain 21 percent of its sales in net working capital. currently, the store is considering a four-year project that will increase sales from its current level of $349,000 to $408,000 the first year and to $414,000 a year for the following three years of the project. what amount should be included in the project analysis for net working capital in year 4 of the project?

Money from an allowance or job is known as .

Experienced problem solvers always consider both the value and units of their answer to a problem. why?