20.Suppose all other economic indicators are the same is US and Japan except for the saving rate that is higher in Japan.In the long-run this means that ____

a.Japan's per capita growth rate will be the same as the U.S. per capita growth rate.

b.Japan's output per worker will be greater than U.S. output per worker.

c.Japan's capital per worker will be greater than U.S. capital per worker.

d.all of the above.