During the year $2021,$

Yung.com had sales of $$1000,$ costs of goods sold of $$400,$ depreciation of $$100,$ and interest paid of $$150.$ If the tax rate is $34\%$ and all taxes are paid currently, what is net income?

Refer to Problem $1.$ Assume

Yung.com has $100$ shares of common stock outstanding at the end of $2021.$ Total dividends paid were $$120.$ Compute earnings per share $($EPS$)$ and dividends per share.

$\backslash$table$[[$Balance Sheet$],[$Current Assets,,$020,,2021],[$Cash$,$$$,800,s,500],[$Marketable securities$,$s$,400,$$$,300],[$Accounts recelvable,$$,900,5,800],[$Inventory$,$$$,1,800,$$$,2,000],[$Total Current Assets,$$,3,900,$$$,3,600],[$Fixed Assets.,,,,$],[$New plant & equipment,$$,6,000,$$$,8,000],[$Totol Assets,$$,9,900,s,11,600],[$Current Liabilities,,$2020,,2021],[$Accounts payable,$$,2,400,$s$,2,000],[$Notes payable,$s,1,200,s,1,600],[$Total Current Liabilities,$$,3,600,$$$,3,600],[$Long$-$Term Debt,$$,3,000,$$$,2,800],[$Total Llabilities,$$,6,600,$$$,6,400],[$Stockholder$\text{'}$s Equity,$$,3,300,s,5,200],[$Total Llobilities & Equity,$5,9,900,5,11,600]]$

Based on the information in Problem $1,$ what is

Yung.com's operating cash flow for $2021?$

Based on the balance sheets for

Yung.com, what was net working capital for $2020?$ For $2021?$ What must changes in net working capital have been?