A company purchased $90$ units for $ $30$ each on January $31.$ It purchased $200$ units for $ $35$ each on February $28.$ It sold $200$ units for $ $80$ each from March $1$ through December $31.$ If the company uses the weightedminusaverage inventory costing$$ method, calculate the amount of Cost of Goods Sold on the income statement for the year ending December $31.($Assume the company uses the perpetual inventory system. Round any intermediate calculations two decimal$$ places, and your final answer to the nearest dollar

A$.$$ $7,000$

B$.$$ $9,700$

C$.6,690$

D$.$$ $2,700$