Giselle is a citizen and resident of Brazil, a country with which the United States does not have an income tax treaty. Giselle earned $27,000 of compensation while working within the United States. She worked 60 days in the United States and 180 days in Brazil. How much of her compensation earned in the United States will be subject to U. S. tax

You are considering the purchase of one of two machines used in your manufacturing plant. machine 1 has a life of two years, costs $20,000 initially, and then $4,000 per year in maintenance costs. machine 2 costs $25,000 initially, has a life of three years, and requires $3,500 in annual maintenance costs. either machine must be replaced at the end of its life with an equivalent machine. using eac which is the better machine for the firm