The 120 consumers were asked about their buying preferences concerning a product that is sold in the market under three labels. The results were: 12 buy only those sold under label A, 25 buy only those sold under label B, 26 buy only those sold under label C, 15 buy only those sold under labels A and B, 10 buy only those sold under labels A and C, 12 buy only those sold under labels B and C and 8 buy the product sold under all three labels. 8. How many of the consumers surveyed buy the product sold under Label C?