show the work with explanations

1.a company . began business on 20-Jan-2000 by issuing all of its 100,000 $1 par value authorized shares of common stock at $6 per share. On June 30, the company declared a cash dividend of $2.75 per share. On Nov 1, the company reacquired 20,000 of its own shares for $10 per share. On December 22, the company resold 10,000 of these shares for $12 per share. Compute the amount of total stockholders’ equity as at 31 December 2016 assuming that the net income for the year was $275,000.

2.The Chung Chung Chung Corporation uses a periodic inventory system. The company has a beginning inventory of 1,250 units at $15 each on January 1. Chung chung chung purchases 1,500 units at $14 each In February and 700 units at $16 each In March. There were no additional purchases or sales during the remainder of the year. Chung Chung Chungo sells 650 units during the quarter. If they use the weighted average method, what is its cost of goods sold for the quarter?