Question 13-14 thanks!

13) Which of the following is not specifically an example of economies of scale at work in a marriage? a) my wife and I use our cash wedding gifts towards our first home purchase b) my wife and I sell off our two closet stand-up vacuum cleaners and buy a top-of-the- line dyson c) my wife and I get a Costco membership so we can get discounts for bulk d) my wife and I move in together and sell our extra furniture on Kijiji 14) One plausible solution to the moral hazard problem as it relates to marriages (as discussed in class) is a) marrying for love b) the threat of reciprocation c) having your partner sign a pre-nuptial agreement d) getting a tattoo with your suitor's name on it e) giving additional marital gifts to increase net surplus