Indicate the approximate crank angle at which the following events in the 4-stroke and 2-stroke spark ignition internal combustion engine cycles occur on a line representing the full cycle (720° for the 4- stroke and 360° for the 2-stroke): (a) Bottom dead center (BDC) crank position (b) Top dead center (TDC) crank position (c) Inlet and exhaust valve or port opening and closing (d) Start of combustion process (e) End of combustion process (1) Maximum cylinder pressure.