Even though drive-in restaurants were already popular in America in the 1950's, they were not as successful as the fast food restaurant owned by the MacDonald brothers. List three reasons for this lack of success.​

If the family’s net monthly income is 7,800 what percent of the income is spent on food clothing and housing?

Describe what fixed costs and marginal costs mean to a company.

Gdp has grown in a country at 3% per year for the last 20 years. the labor force has grown at 2% per year and the quantity of physical capital has grown at 4% per year. a 1% increase in average physical capital per worker (other things equal) raises productivity by 0.3%. average education has not changed. how much has growing physical capital per worker contributed to productivity growth in this country? choose the correct answer from the following choices, and then select the submit answer button. answer choices 0.3% 0.6% 3.0% 6.0%