Access the December $31,2021,10-$K report for McDonalds Corp. $($ticker: MCD$),$ filed on February $24,2022,$ from EDGAR filings at SEC.gov to answer the following questions. This problem has been updated $-$ do not use the TTN problem in the eBook. Please show your work for all calculations.

$1.$ Review McDonald's balance sheet and identify how many classes of stock it has issued.

$2.$ What are the par values, number of authorized shares, and number of issued shares of the classes of stock you identified in part $1?$

$3.$ Review its statement of cash flows and identify what total amount of cash it paid in $2021$ to purchase treasury stock.

$4.$ What amount did McDonald's pay out in common stock cash dividends for $2021?$