A firm\'s marginal rate of return on investment curve shows the amounta.saved by the firm at each alternative interest rateb.invested by the firm at each alternative interest ratec.saved by the firm at each alternative rate of time preferenced.invested by the firm at each alternative marginal resource coste.saved by the firm at each alternative marginal revenue product of investment Solution saved by the firm at each alternative interest rate.

1. A firm's marginal rate of return on investment curve shows the amounta.saved by the firm at
each alternative interest rateb.invested by the firm at each alternative interest ratec.saved by the
firm at each alternative rate of time preferenced.invested by the firm at each alternative marginal
resource coste.saved by the firm at each alternative marginal revenue product of investment
Solution
saved by the firm at each alternative interest rate