ISP interoperability on the Internet is possible due to the protocols of the

The debt to total asset ratio measures

a. the company's profitability. b. whether interest can be paid on debt in the current year. c. the proportion of interest paid relative to dividends paid. d. the percentage of the total assets provided by creditors.

Which provision in the U.S. Constitution gives Congress the power to "lay and collect taxes?"

a. Article I section 8 b. 16th Amendment c. Commerce Clause d. Supremacy Clause