When marginal revenue equals marginal cost, profit is at its highest. why?

On december 31, 2011, daggett company issued $750,000 of ten-year, 9% bonds payable for $700,353, yielding an effective interest rate of 10%. interest is payable semiannually on june 30 and december 31. prepare journal entries to reflect (a) the issuance of the bonds, (b) the semiannual interest payment and discount amortization (effective interest method) on june 30, 2012, and (c) the semiannual interest payment and discount amortization on december 31, 2012. round amounts to the nearest dollar.

Gdonald was unhappy that his company did not provide good transport facilities. he found it very strenuous to drive to work on his own, and this eventually led to job dissatisfaction. hence, he recommended ways to solve this problem. according to the evln model, this information suggests that donald's main reaction to job dissatisfaction was:

If you were running a company, what are at least two things you could do to improve its productivity.