An individual consumes only two goods, good 1 and good 2. The marginal rate of substitution is given by: M3312 = 7 g, 91 wl'lere good 1 is drawn on the horizontal axis; {11 denotes the quantity of good 1 and q: denotes the quantity of good 2 in the individual's consumption bundle. The price of good 1 is [11: 15?, the price of good 2 is p2 = 15?, and income is $158. If this individual is maximising utility, how much of good 2 will they purchase? Please round your flnal answer to two declmal places if necessary