You are given the following information about two computer software firms and the S&P Industrials:

$\backslash$table$[[,$Company A$,$Company B$,$S&P Industrials$],[$P$/$E ratio,$31\mathrm{.}00,29\mathrm{.}00,15\mathrm{.}00],[$Expected annual growth rate,$0\mathrm{.}15,0\mathrm{.}12,0\mathrm{.}07],[$Dividend yield,$0\mathrm{.}00,0\mathrm{.}02,0\mathrm{.}03]]$

a$.$ Compute the growth duration of each company stock relative to the S&$.$P Industrials. Do not round intermediate calculations. Round your answers to two decimal places.

Company A: years

Company B: years

b$.$ Compute the growth duration of Company A relative to Company B$.$ Do not round intermediate calculations. Round your answer to two decimal places.

years