The Morrit Corporation has $$630,000$ of debt outstanding, and it pays an interest rate of $8\%$ annually. Morrit's annual sales are $$3$ million, its average tax rate is $25\%,$ and its net profit margin on sales is $3\%.$ If the company does not maintain a TIE ratio of at least $4$ to $1,$ then its bank will refuse to renew the loan, and bankruptcy will result. What is Morrit's TIE ratio?