Franklin Manufacturing Company began operations on January $1.$ During the year, it started and completed $1,640$ units of product. The financial statements are prepared in accordance with GAAP. The company incurred the following costs:$$

Raw materials purchased and used$$$$3,220.$

Wages of production workers$$$$3,540.$

Salaries of administrative and sales personnel$$$$1,890.$

Depreciation on manufacturing equipment$$$$4,228.$

Depreciation on administrative equipment$$$$1,825.$

Franklin sold $1,170$ units of product.

$1.$Determine the total product cost for the year.

$2.$Determine the total cost of the ending inventory.$($Do not round intermediate calculations.$)$

$3.$Determine the total of cost of goods sold.$($Do not round intermediate calculations.$)$