A firm sells two products. Its price for product 1 is $4. If a consumer purchases at least 5 units of the first product, the second product is sold at a discounted price, otherwise it is sold at a regular price. What can you say about the regular and discounted prices of the second product if a consumer with income 48 could afford bundles (3;6), (5;7), and (6;6), but a consumer with income 42 could not afford any of them? You should explain your reasoning and clearly identify what your final answer is for each of the prices