Problem $3\mathrm{.}4$: Answer the following questions from Tesla's cash flow statements using the information found below:

a$.$ Did Tesla generate positive cash flow from its operations for the years identified below?

b$.$ How much did Tesla invest in new capital expenditures over these four years?

c$.$ Describe Tesla's sources of financing in the financial markets over these four years.

$\backslash$table$[[,,,,],[$Dollars in millions,$\backslash$table$[[31-$Dec$],[{2022}_{?}$