A firm's balance sheets as of December 31,2021, and 2022 show the following items (in millions): 2021: Cash =$8.71; Account Receivable =$3.54; Inventory =$3.93; Gross Fixed Assets =$8.81; Accumulated Depreciation =$6.81; Retained Earnings =$1.54; Capital Surplus =$1.7; Common Stock ( $0.50 par) =$1.82; Notes Payable =$4.39; Long term debt =$6.65; Accounts Payable = $2.08. 2022: Cash =$10.71; Account Receivable =$2.54; Inventory =$4.43; Gross Fixed Assets =$10.51; Accumulated Depreciation =$7.51 : Retained Earnings =$2.54; Capital Surplus =$4.2; Common Stock ($0.50 par) =$3.62; Notes Payable =$4.69; Long term debt =$3.67; Accounts Payable = $1.96. Calculate the net working capital in 2021. 11.79 16.18 5.78 11.03 9.71