Mariann has accessed a video about social security's future via her school's library databases. as she watches the video, she pays attention to the production value, noting that the video seems to be shot well, the sound quality is very good, and the dialogue is well constructed. by looking at such parts of the video, mariann is evaluating this multimedia according to which craap principle?

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%