Problem $7-27$

In the previous problem, if inventory had only been $2$ times:

a$.$ What would be the new value for inventory investment?

b$\mathrm{.}1$ What would be the return on investment? You need to recompute the total investment and the total costs of the campaign to work toward computing income after taxes. $($Round the final answer to $1$ decimal place.$)$

b$\mathrm{.}2$ Should the campaign be undertaken?