Uber advertises using Google ads and using Facebook ads. The average cost per acquisition (average cost per new user) on Google is $10 and the average cost per acquisition on Facebook is $15. The expected marginal revenue of a new user is $100. On the margin, Uber should O buy more ads on both platforms O buy more Facebook Ads O buy more Google Ads cannot tell from this informationSuppose that currently, only 5% of US households eat kale (a green-leafy vegetable] on a monthly basis. Suppose the US federal government requires that all individuals consume kale at least once per month. What is the effect on total economic surplus? surplus decreases surplus only increases if the government reduces the price of kale to zero surplus increases surplus could either increase or decrease J Your willingness to pay for a clean kitchen and for a clean bathroom is higher than your roommate's willingness to pay for each. Which of the following is necessarily true? ""3 none of these neither you nor your roommate has a comparative advantage in cleaning the kitchen or cleaning the bathroom you have a comparative advantage in both cleaning the kitchen and cleaning the bathroom you have an absolute advantage in both cleaning the kitchen and cleaning the bathroom