a. using the above data, compute each of the following ratios for all three years:

i. average depreciable life (years)

ii. average age (years)

iii. relative age

b. compare the result of part a (i) above with the accounting policy statement above

c. discuss the three-year trend of the three ratios in part a for both fixed-asset classes

d. state the questions you would ask management after reviewing parts a through c above.