Which of the following is a suggestion for managing queues presented in the textbook? a) train your servers to be friendly. b) tell customers that the line should encourage them to come during slack periods. c) give each customer a number. d) periodically close the service channel to temporarily disperse the line.

Define the marginal rate of substitution between two goods (x and y). if a consumer’s preferences are given by u(x,y) = x3/4y1/4, compute the consumer’s marginal rate of substitution as a function of x and y. calculate the mrs if the consumer has chosen to consumer 48 units of x and 16 units of y. show your work. (use the back of the page if necessary.