Barclay Bikes manufactures and sells three distinct styles of bicycles: the Youth model sells for $310 and has a unit contribution margin of $110; the Adult model sells for $860 and has a unit contribution margin of $455; and the Recreational model sells for $1,010 and has a unit contribution margin of $505. The company's sales mix includes: 5 Youth models; 9 Adult models; and 6 Recreational models. If the firm's annual fixed costs total $6,510,000, calculate the firm's break-even point in composite units (rounded to the nearest whole unit). Multiple Choice O 424 composite units. 15,350 composite units. O 1,280 composite units. 7,675 composite units. 848 composite units