Wrenn Corp. has $5\mathrm{.}6$ million shares outstanding, interest expenses of $$4\mathrm{.}4$ million, and depreciation expenses of $$3\mathrm{.}7$ million. What is Wrenn's operating income if the dividend per share is $$0\mathrm{.}80$ and the dividend payout ratio is $35\%?$ Assume a marginal tax rate of $40\%.$ Please show work with how to solve