someone pls solve this assignment for me pls

Total Marks (40) For the following statement select True and False with two to five line explanation. Explanation is compulsory 1. When there is a shortage of goods "X" in a market there is downward pressure on price of goods X. 2. Suppose that a decrease in the price of X results in less of good Y sold. This would mean that X and Y are complementary goods. 3. A change in income would NOT shift the demand curve for a good or service. 4. When we move up or down a given demand curve only price is held constant. 5. The downward-sloping demand curve reflects the price is positively related to quantity supplied. 6. According to the law of diminishing marginal utility addition in the consumption causes a reduction in total utility. 7. When Marginal Utility = 0, Total Utility is Maximum. 8. Indifference curve is downward sloping 9. Two indifference curves cannot cut each other because 10. A consumer's spending is restricted because of Budget constraint. 11. With fixed costs of $400, a firm has average total costs of $3 and average variable costs of $2.50. Its output is 800 units. 12. When marginal product reaches its maximum total product is increasing if marginal product is still positive 13. When the total product curve is falling, the marginal product of labor is negative. 14. The law of diminishing returns states that as a firm use more of a variable resource, given the quantity of fixed resources, marginal product of the firm will eventually decrease. 15. A firm operating under conditions of perfect competition will find that its marginal costs equal its average costs 16. When a perfectly competitive industry is in long term equilibrium all firms in the industry will be operating at their lowest possible costs 17. A price-taking firm cannot influence the price of the product it sells 18. ) One of the requirements for a monopoly is that there are several close substitutes for the product. 19. A monopoly maximizes profit by choosing the quantity at which marginal revenue equals marginal cost. 20. The key difference between a competitive firm and a monopoly is the ability to influence the price