State giving reasons whether the following statements are true or false.           (5 marks)

(i) Average Product will increase only when Marginal Product increases.

(ii) Under diminishing returns to a factor, Total Product continues to increase till Marginal Product reaches zero.

(iii) Where there are diminishing returns to a factor, Total Product first increases and then starts falling. 

(iv) When Marginal Product falls, Average Product will also fall. 

(v) Total Product always increases whether there is increasing returns or diminishing returns to a factor.

(vi) When there are diminishing returns to a factor, Total Product always decreases.

(vii)  Product will increase only when Marginal Product increases.

(viii) Increase in Total Product always indicates that there are increasing returns to a factor. 

(ix) When there are diminishing returns to a factor, Marginal product and Total Product both fall.