Question 1. An anticipation of decrease in price of television tomorrow will cause the demand of television to decline today. This is due the fact that demand increases when price decreases.
So answer is option (c).
Question 2. For a monopolist , profit is maximised when marginal revenue is equal to marginal cost. (MR = MC)
So the monopolist should charge $23. (It is the point on the graph when MR curve and MC curve meet. )