${?}_{\text{T}\text{h}\text{e}\text{i}\text{n}\text{n}\text{e}\text{r}\text{a}\text{n}\text{d}\text{o}\text{u}\text{t}\text{e}\text{r}\text{s}\text{u}\text{r}\text{f}\text{a}\text{c}\text{e}\text{s}of\text{a}\text{w}\text{a}\text{l}\text{l}\text{w}\text{i}\text{t}\text{h}\text{a}\text{h}\text{e}\text{i}\text{g}\text{h}\text{t}of5m\text{a}\text{n}\text{d}\text{w}\text{i}\text{d}\text{t}\text{h}of6m\text{b}\text{r}\text{i}\text{c}\text{k}\text{w}\text{a}\text{l}\text{l}of\text{t}\text{h}\text{i}\text{c}\text{k}\text{n}\text{e}\text{s}\text{s}30cm\text{a}\text{n}\text{d}\text{t}\text{h}\text{e}\text{r}\text{m}\text{a}\text{l}\text{c}\text{o}\text{n}\text{d}\text{u}\text{c}\text{t}\text{i}\text{v}\text{i}\text{t}\text{y}}0\mathrm{.}69\frac{W}{m}*C$ are maintained at temperatures of $20C$ and $5C,$ respectively. Find the rate of heat transfer through the wall in watt.