4. A simple, batch fermentation of an aerobic bacterium growing on methanol gave the results shown in the following table. Calculate (or estimate) the following Time (h) (a) Maximum growth rate of bacteria (Humax) (b) Yield on substrate (Yx/s) (c) Doubling time of bacterial mass (d) Net specific growth rate at t-10 h (e) Specific rate of substrate consumption at 0.2 0.211 0.305 0.98 1.77 3.2 5.6 6.15 6.2 9.23 9.21 9.07 8.03 6.8 4.6 0.92 0.077 0 4 10 h 10 14