Estimate the value of a share of Cisco common stock using the discounted cash flow $($DCF$)$ model as of July $30,2016$; assume a discount rate $($WACC$)$ of $10\%,$ common shares outstanding of $5,029$ million, and net nonoperating obligations $($NNO$)$ of $$(37,113)$ million $($NNO is negative which means that Cisco has net nonoperating investments$).$