The demand function for a product is given by

p = 10,000 [1 − (5/5 + e^−0.001x)]

where p is the price per unit (in dollars) and x is the number of units sold. Find the numbers of units sold for prices of
p = $1000
and
p = $1500.
(Round your answers to the nearest integer.)

(a) p = $1000 _____units
(b) p = $1500 _____units