Zoe wants to start a home-based business making costume jewelry. She estimates that she will have to spend $5,700 on equipment and that each item will require $3.25 in materials. She plans to sell each item for $6.19. a) How many units must she sell to recover her equipment costs? Number of units = 0 b) What total revenue would this represent? For full marks your answer should be rounded to the nearest cent. Total Revenue = $ 0.00