(Choose 1 answer)
(17842) Last year a country had 800 workers who worked an average of 8 hours and produced 12,800 units. This year the country had 1000 workers who worked an average of 8 hours and produced 14,000 units.This country's productivity was
A. higher this year than last year. A possible source of this change in productivity is a change in the size of the capital stock.
B. higher this year than last year. A change in the size of the capital stock does not affect productivity.
C. lower this year than last year. A possible source of this change in productivity is a change in the size of the capital stock.
D. lower this year than last year. A change in the size of the capital stock does not affect productivity.
