Which of the following will likely have the strongest demand for large expenditures on environmental quality?

Food is an example of a ________ good

A) nonrival and nonexcludable B) rival and excludable C) nonrival and excludable D) rival and nonexcludable

If the government decides to levy an ad valorem tax on product with a perfectly inelastic supply. The consumers tax incidence will be

A) 0 B) 1 C) .5 D) Cannot be determined.