The number of moose in Alaska at the start of year n is Pn The number of moose in Alaska at the start of the following year is given by
Pn+1 = 1.04 (Pn − G) where G is a constant.
At the beginning of 2015, there were 200000 moose in Alaska.
At the beginning of 2016, there were 200720 moose in Alaska.
Work out how many moose there were in Alaska at the beginning of 2017