https://onlinetoptutor.com/wp-content/uploads/2021/11/logoo-300x75.png00Karishttps://onlinetoptutor.com/wp-content/uploads/2021/11/logoo-300x75.pngKaris2022-02-27 12:35:542022-02-27 12:35:54If lemonade costs R0.50 and Popcorn costs R1.00, what is the marginal rate of substitution if utility is maximised?