The three types of cash flows are operating cash flows, cash flows from investments, and cash flows from financing. Operating cash flows are generated from the normal operations of a business, including money taken in from sales and money spent on cost of goods sold (COGS), along with other operational expenses such as overhead and salaries. Cash flows from investments include money spent on purchasing securities to be held as investments such as stocks or bonds in other companies or in Treasuries. Inflows are generated by interest and dividends paid on these holdings. Cash flows from financing are the costs of raising capital, such as shares or bonds that a company issues or any loans it takes out.