Is Trump/Biden better at being president?

Which of the following statements accurately describes how costs and benefits are calculated?

How supply and demand work together to reach the equilibrium price in the marketplace? give at least a paragraph. you!

Ursus, inc., is considering a project that would have a five-year life and would require a $1,650,000 investment in equipment. at the end of five years, the project would terminate and the equipment would have no salvage value. the project would provide net operating income each year as follows (ignore income taxes.):