I don't understand, please help solve required 1, 3, and 4.

Excelsior Corporation has the following headings on its December 31, 2019 Balance Sheet: Total Current Assets \\( \\$ 200,000 \\) Total Assets \\( \\$ 500,000 \\) Total Current Liabilities \\( \\$ 134,500 \\) Total Non Current Liabilities \\( \\$ 300,000 \\) On January 2020 Excelsior sells temporary investments to pay off \\( \\$ 35,700 \\) in long term debt Required 1: How much will working capital increase (decrease) by when comparing December 2019 with January 2020? \\$ Required 2: If no other transaction took place in January 2020, the current ratio at the end of January 2020 is: Required 3: If no other transaction took place in January 2020, the debt to equity ratio at the end of January 2020 is: Required 4: If no other transaction took place in January 2020, the financial leverage in January 2020 is (calculate the Equity Ratio and not the Equity Ratio percentage): Required 5: If last 12 month sales as of January 2020 amount to \\( \\$ 480,000 \\), the working capital turnover for the period ended January 31st 2020 is