lipper Company sells two types of nail clippers. One focuses on the economy oriented customer and the other aims to satisfy the high-end clientele. The economy clipper costs $5 and has a sales price of $9. The high-end model costs $9 and sales for $15. Fixed costs associated with this product line amount to $35,880. Economy clippers constitute 70 percent of the market with the remaining 30 percent being high-end clippers. Based on this information what is the total number of clippers that must be sold to earn a $12,420 profit?