please solve the queastion and show your work.

thats the whole question believe me.

3- Gahlon Gearing, Ltd., has a DOL of 36 at its current production and sales level of 12750 units. At the company's new sales position of 14225 units, what is the firm's "new"DOL? 3- Gahlon Gearing, Ltd., has a DOL of 36 at its current production and sales level of 12750 units. At the company's new sales position of 14225 units, what is the firm's "new"DOL? Name: 4- Consider a project of the Pearson Company. The timing and size of the incremental after-tax cash flows for an all-equity firm are $-1000, $295, $590, $545, $500 from year 0 to 4 respectively. The unlevered cost of equity is 36%. a. Calculate the NPV? Should this project be accepted