Countries x and z produce a composite output y by employing two factors labor (n) and capital (k), when the given state of technology is a. the production function of y is upper y equals startroot left parenthesis upper k right parenthesis left parenthesis an right parenthesis endrooty=(k)(an) in a particular year, country x's growth rate of output per worker is 2.52.5%, growth rate of employment is 22%, and growth rate of capital is 1.51.5%. in the same year, country z's growth rate of output per worker is 77%, growth rate of employment is 11%, and growth rate of capital is 88%. what is the growth rate of technological progress for the two countries? (round your responses to two decimal places.) country x: gax = nothing% country z: gaz = nothing% given the above information, which combinations of the following statements are true? a) country x and country z are investing heavily in innovation and r& d. b) country x has achieved its balanced growth path. c) country z could be using a combination of heavy capital formation and import of technology. d) country z has a higher standard of living than country x. a. a, b and c b. c and d c. a and d d. b and c