Can you please solve all 5 parts

Assignment 3.1: Profitability of a Small Business (continued) 3. Lucia has her own jewelry business, and sells jewelry at summer events such as music festivals. She has produced 460 pieces of jewelry. It cost her $6 to make each piece, and she will sell each piece for $15. Calculate a) her cost of goods sold (1 mark) b) her revenue from sales if she sells 415 pieces of her jewelry (1 mark) c) her gross profit after selling 415 pieces of jewelry (1 mark) d) the gross profit as a percentage of revenue from sales after selling 415 pieces (1 mark) e) the number of pieces of jewelry she must sell to reach her break-even point (2 marks) continued Module 3: Business Finance - 33