answer this

4. Assume that there is one type of workers in a labour market with Utility Function given by: Ux(W.S) = WS There is two type of firms with isoprofit curve given by: al (w.s) = (w /, 400-) + (5 / 400- 0 112(w.s) = (w /, 600-) + (s / 2003) -1 -0 a) Calculate the optimal amount of wages and safety that worker would negotiate with each firm. b) Which firm will the worker choose? Hint: the one that gives higher utility