A project is expected to generate new sales of $$1\mathrm{.}5$ million per year with total annual costs of $$1\mathrm{.}1$ million and has initial installed cost of $$5$ million. The cash flows are expected to continue in perpetuity and the equipment will NOT be depreciated for tax purposes. The tax rate is $40\%$ and the required return is $10\%.$ What is the profitability index of the project?

$-$$$2\mathrm{.}6$ million

$-\mathrm{.}52$

$8$

$\mathrm{.}48$