Methane and steam are fed to a reactor in molar ratio $1$: $3.$ The following reactions take place, CH$4(8)+2$H$2$O$($g$)+$ CO$2($g$)+4$H$2(8)$ CH$4(8)+$ H$2$O$($g$)+$ CO$($g$)+3$H$2(8)$ where CO$2$ is the desired product, CO is the undesired product and H$2$ is a byproduct. The exit stream has the following composition $($G$-2008-71,72,73)$ Species CH$4$ H$2$O CO$2$ H$2$ CO Mole $\%4\mathrm{.}3510\mathrm{.}8815\mathrm{.}2167\mathrm{.}392\mathrm{.}17($i$)$ The selectivity for desired product relative to undesired product is $($ii$)$ The fractional yield of CO$2$ is $($where fractional yield is defined as the ratio of moles of the desired product formed to the moles that would have been formed if there were no side reactions and the limiting reactant had reacted completely$)($iii$)$ The fractional conversion of methane is