4. lGi'liren the demand mction, P=3Q, where Q=Q1+Q2; and two firms 1 and 2 in an industryr producing a product. Marginal cost of production of each rm is zero. Suppose rm 1 behaves as a Stackelb-erg's leader and rm 2 as its follower. a) \"That output will he produced by them and what price will be determined. 1}) 1What output will he produced if we assume a Courno't duaopoqu.r model?I