I need help on 2 microeconomics questions:

Question 3 (1 point) Which of the following graphs illustrate the price guarantee (subsidy) program? Price $/1b. Price $/1b. Supply $10 Supply $10 $8 $4 Demand Demand Q Corn 3/2 2 3 Q Corn 3/2 3 O The left graph The right graphQuestion 4 (1 point) It is the case that output levels will be highest when a rm is ________ and lowest when it is O perfectly competitive ; a oligopoly O perfectly competitive ; a monopolist O a price-discriminating monopolist; a monopolist O a perfectly price-discriminating monopolist ; perfectly competitive O a oligopoly ; a perfectly price-discriminating monopolist