For the enzyme catalysed reaction whose LB graph is shown, which of the following statement is correct? a) rmax=0 5 mM/min and with competitive inhibition rmax remains unchanged. b) Km= 2 mM and with competitive inhibition both rmax and Km decrease. c) Km= 0.5 mM and with competitive inhibition rmax increases but Km remains unchanged. d) Km= 2 mM and with competitive inhibition Km increases but rmax remains unchanged.