A patient in recovery restores $1\mathrm{.}3$ kg of body mass in a week. How many micrograms$/$second $($mu g$/$s$)$ are being restored? 

 

$\mathrm{}$

 

 

  A$\mathrm{.}36$mu g$/$s 

 

 

 

 B$\mathrm{.}5\mathrm{.}2$times $104$mu g$/$s 

 

 

 

 C$\mathrm{.}2\mathrm{.}1$times $103$mu g$/$s 

 

 

 

 D$\mathrm{.}1\mathrm{.}3$times $105$mu g$/$s