Daniel derives utility from only two goods, cake (Qc) and donuts (Qd). The marginal utility that Daniel receives from cake (MUC) and donuts (MUd) are: MUC = Qd and MUD = Qc. Daniel has an income of $240 and the price of cake (Pc) and donuts (Pd) are $3. What quantity of cake will maximize Daniel's utility given the information above? 24 30 60 40 0000 Natasha derives utility from attending rock concerts (r) and from colas (c) as follows: U(c,r) cr-1. The marginal utility of cola (MUC) and the marginal utility of rock concerts (MUr) are: MUC = 9c-11 MUT = .1c-9-9 If the price of cola (Pc) is $1 and the price of concert tickets (Pr) is $30 and Natasha's income is $300, how many colas and tickets should Natasha buy to maximize utility? 270 colas and 1 concert ticket 120 colas and 5 concert tickets 100 colas and 6 concert tickets 20 colas and 5 concert tickets