Application Of Derivatives

At present a firm is manufacturing 1000 items. It is estimated that the rate of change of production \(\mathrm{P}\) w.r.t. additional number of worker \(x\) is given by \(\frac{\mathrm{dp}}{\mathrm{d} x}=100-12 \sqrt{x}\).

If the firm employees 9 more workers, then the new level of production of items is