A commodity analyst has made available the following information about the cobalt production in the Democratic Republic ofCongo $($DRC$)$ in $2021.$ The country produced $120000$ tonnes of cobalt with the following resources:

Labour:

$1200000$ hours @ R$250\mathrm{.}00$ per hour

Energy:

R$8000000$ per month

Capital costs:

R$160000000$ for the year

Expenditure on suppliers and Supplies:

R$120000000$ for the year

Calculate the labour productivity per labour$-$hour in terms of tonnes of cobalt produced in the DRC during the $2021$ financial year $($round off answer to one decimal place$).$