just need required 4 sales commission and variable administrative expense

4Kubin Company's relevant range of production is 15,000 to 19,000 units. When it produces and sells 17,000 units, its average costs perunit are as follows:Direct materialsAmount per UnitDirect labor$ 7. 60Variable manufacturing overhead$ 4. 60Fixed manufacturing overhead$ 2. 105. 60Fixed selling expenseeBookFixed administrative expense4. 103. 10Sales commissionsVariable administrative expense1. 60$ 1. 10PrintRequired:1. What is the incremental manufacturing cost incurred if the company increases production from 17,000 to 17,001 units?References2. What is the incremental cost incurred if the company increases production and sales from 17,000 to 17,001 units?3. Assume that Kubin Company produced 17.000 units and expects to sell 16,740 of them. If a new customer unexpectedly emergesand expresses interest in buying the 260 extra units that have been produced by the company and that would otherwise remainunsold, what is the incremental manufacturing cost per unit incurred to sell these units to the customer?4. Assume that Kubin Company produced 17.000 units and expects to sell 16.740 of them. If a new customer unexpectedly emergesand expresses interest in buying the 260 extra units that have been produced by the company and that would otherwise remainunsold, 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 1Required 2Required 3Required 4Assume that Kubin Company produced 17,000 units and expects to sell 16,740 of them. If a new customer unexpectedlyemerges and expresses interest in buying the 260 extra units that have been produced by the company and that wouldotherwise remain unsold, what incremental selling and administrative cost per unit is incurred to sell these units to thecustomer? (Round your answers to 2 decimal places.)Show lessSales commissionVariable administrative expenseVariable cost per unit soldS0 00