Kubin Company's relevant range of production is 26,000 to 35,500 units. When it produces and sells 30,750 units, its average costs per unit are as follows: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense Amount per Unit $ 8.60 $ 5.60 $ 3.10 $ 6.60 $ 5.10 $ 4.10 $ 2.60 $ 2.10 Required: 1. What is the incremental manufacturing cost incurred if the company increases production from 30,750 to 30,751 units? 2. What is the incremental cost incurred if the company increases production and sales from 30,750 to 30,751 units? 3. Assume that Kubin Company produced 30,750 units and expects to sell 30,390 of them. If a new customer unexpectedly emerges and expresses interest in buying the 360 extra units that have been produced by the company and that would otherwise remain unsold, what is the incremental manufacturing cost per unit incurred to sell these units to the customer? 4. Assume that Kubin Company produced 30,750 units and expects to sell 30,390 of them. If a new customer unexpectedly emerges and expresses interest in buying the 360 extra units that have been produced by the company and that would otherwise remain unsold, what incremental selling and administrative cost per unit is incurred to sell these units to the customer? Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 What is the incremental manufacturing cost incurred if the company increases production from 30,750 to 30,751 units? (Round your answers to 2 decimal places.)