Maggie's Muffins Inc. generated $$5,000,000$ in sales during $2021,$ and its year$-$end total assets were $$2,500,000.$ Also, at year$-$end $2021,$ current liabilities were $$1,000,000,$ consisting of $$300,000$ of notes payable, $$500,000$ of accounts payable, and $$200,000$ of accruals. Looking ahead to $2022,$ the company estimates that its assets must increase at the same rate as sales, its spontaneous liabilities will increase at the same rate as sales it's profit margin will be $7\%$ and it's payout ratio will be $80.$ how large a sales increase can the company achieve without having to raise funds externally that is what is the self$-$supporting growth rate using the growth rate formula