Demand for a certain product has been stable since the beginning of $2020.$ We are now at the end of week $38$ and you want to forecast demand in week $39.$ The weekly demand in the past weeks is as follows:

$50\mathrm{.}8$ in week $38$

$47\mathrm{.}1$ in week $37$

$51\mathrm{.}6$ in week $36.$

Forecast the demand in week $39$ using the Naive method. Please use one decimal.