You must choose between embarking on Project $Y$ or Project $Z.$ Return of investment $($ROI$)$ is one of the factors you are taking into account to inform your decision. Calculate the ROI of project $Z.$

$\backslash$table$[[$Year$,$Project Y$,$Project Z$],[0,-$ R$200000,00,-$R$275000,00],[1,$R$85000,00,$R$70000,00],[2,$R$70000,00,$R$75000,00],[3,$R$78000,00,$R$80000,00],[4,$R$33000,00,$R$85000,00]]$

a$.8\mathrm{.}25\%$

b$.3\mathrm{.}18\%$

c$.3\%$

d$.8\%$