Todd leaves his babysitter, zach, a voice mail message saying, "i need someone to watch little joey and hilary on friday night. if you can babysit on such late notice, i'll pay you an extra $40 on top of your usual rate. if i don't hear from you by 5 p. m. tomorrow, i'll assume we have a deal." if zach does not call back, has a contract been created?

As a result of a labeling mistake at the chemical factory, a farmer accidentally sprays weedkiller rather than fertilizer on half her land. as a result, she loses half of her productive farmland. if the property of diminishing returns applies to all factors of production, she should expect to seea. a decrease in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. b. an increase in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. c. an increase in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor. d. a decrease in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor.