Which answers are correct and why?

A = Average annual hours worked per worker. B = Average annual hours worked per person aged 15-64. Assume that workers of all ages work the same number of hours when they are employed. Which of the following are correct? If older workers start retiring at an earlier age, B will increase. If older workers start retiring at an earlier age, B will decrease. If older workers start retiring at an earlier age,A will increase. If older workers start retiring at an earlier age,A will decrease. {DP-OFT!\" Choosing to focus on measure A to study the consumption-leisure tradeoff means considering inactivity as leisure. * f. Choosing to focus on measure B to study the consumption-leisure tradeoff means considering inactivity as leisure. g. Countries with a high value of A and low value of B have low output per worker. h. Countries with a high value of A and a low value of B have high output per worker