company is producing two items a and b jointly in fixed propotion of 1:1 the following indicate their market demand functions QA : 700 - 100 pa and QB 500-200 pa the MC of the join operations is constant at rs 2 per unit what qunty of a and b will company produce for optimum profits?will the company need to store ini inventory at least one of the items or both items support your ans with calculations