I want a quick solution, please

Question 16 Not yet answered Marked out of 1.00 P Flag question The price floor benefit is given to farmers in many countries O a. All of these . O b. to support the farmer, continue to produce the same farm product O c. to give good income to the farmers O d. to ensure the supply of farm products Question 17 Not yet answered Marked out of 1.00 P Flag question Advertising the brand name or special features of a product, rather than the price, is an example of competition. O a. perfect O b. differentiation O c. none of these O d. non-price Question 18 Not yet answered Marked out of 1.00 P Flag question If Pepsi and Coco-Cola are substitutes, an increase in demand of Coco-Cola will take place when: O a. When the price of Pepsi decreases O b. When the price of Coco-Cola increases O c. None of these d. When the price of Pepsi increases