the following information is summarized from famous.Inc's financial statements for the year, which ended Decemebr $31,20$X$0$: sales were $$800,00$; Net profit margin was $20\%$; sales to assets was $50\%$; Equity mutiplier was $1\mathrm{.}6$; interest expense was $$30,000$; dividends declared were $ $32,000.$ famous, Inc's sustainable growth rate based on results from this period is clost to: A$.3\mathrm{.}2\%$; B$.8\mathrm{.}0\%$; C$.12\mathrm{.}8\%$