how would i do this?

Otsego Industries manufactured 300,000 units of product last year and identified the following costs associated with the manufacturing activity: Required: Unit variable costs and total fixed costs are expected to remain unchanged in the following year. However, manogement expects a slowdown in sales, because of the economy in the following year. Calculate the unit cost and the total cost if 255.000 units are produced next month. Note: Enter your total cost answers in thousands