Use the following information to answer questions 5 and 6 Exclusive Jewellers Ltd manufactures wedding rings has the following monthly costs: Staff wages $49,000 Rent $1,800 Insurance $400 The average ring sells for $800 The average materials cost is $100 Electricity and other variable cost to make one ring is $60. How many rings per month would Exclusive Jewellers Ltd need to sell to break-even? Select one: O a. 180 O b. 80 O c. 1,200 O d. 640 O e. 160 How much revenue per month would Exclusive Jewellers Ltd need sell to make a monthly profit of $16,000? Select one: O a. $67,200 O b. $105 O c $84,000 O d. $64,000 O e. 5405