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Required: 1. What is the incremental manufacturing cost incurred if the company increases production from 23,000 to 23,001 units? 2. What is the incremental cost incurred if the company increases production and sales from 23,000 to 23,001 units? 3. Assume that Kubin Company produced 23,000 units and expects to sell 22,690 of them. If a new customer unexpectedly emerges and expresses interest in buying the 310 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 23,000 units and expects to sell 22,690 of them. If a new customer unexpectedly emerges and expresses interest in buying the 310 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? Answer is not complete. Complete this question by entering your answers in the tabs below. What is the incremental cost incurred if the company increases production and sales from 23,000 to 23,001 units? (Round your answer to 2 decimal places.)