$3$ Commercial Bank of Ciskei has granted a loan of R$19$m to Gqeberha Fish Farms,

secured by a portfolio of blue$-$chip shares with a current market value of R$26$m$.$ As per the policy of the bank, a $50\%$ margin is required on collaterals of equity shares. Provide an appropriate facility grade, assuming Commercial Bank of Ciskei follows the Facility Grading table given below.