Coed Novelties manufactures key chains for college bookstores. During 2011, the company had the following costs: What is the total product cost per unit? What is the total period cost? What is the break even volume in units? What is the break even volume in $? What is the margin of safety in units? What is the margin of safety in $? What is the margin of safety in percentage? If we wish to make a profit of S1,00,000 - how many units must be sold