. You are considering extending credit to a new customer, your decision to grant one month credit is a one-time decision. The customer will order 500 units of your product for this month. i ne product you want to sell has a variable cost of $4.82 and a sales price of $7.99. The monthly interest rate is 1.35 percent. What is the break-even default rate for this one time sale? what 15 the break-even rate if this customer becomes a repeat client? 6. Each year you sell 950 units of a product at a price of $899 each. The variable cost per unit is $575 and the carrying cost per unit is $16.90. You have been buying 100 units at a time. Your fixed cost of ordering is $60. What is the economic order quantity? 6. Each year you sell 950 units of a product at a price of $899 each. The variable cost per unit is $575 and the carrying cost per unit is $16.90. You have been buying 100 units at a time. Your fixed cost of ordering is $60. What is the economic order quantity