What is true about the capital share?

2. What is true about the capital share (also referred to as capital's share of GDP)? (select all that apply) (a) The capital share in the U.S. has been increasing during the last 40 years. (b) The capital share in the U.S. has generally been less than ; during the last 40 years. (c) The capital share in the Cobb-Douglas production function, Y - AK&L1-x (where Y is production, A is productivity, K is capital, and L is labor) is equal to a. (d) The capital share in the Cobb-Douglas production function, Y = AK&LI- (where Y is production, A is productivity, K is capital, and L is labor) is equal to K. (e) The capital share in the Cobb-Douglas production function, Y - AK&Ll-a (where Y is production, A is productivity, K is capital, and L is labor) increases if A increases