For the infinite-period model with no setup cost, show that the value of y0 that satisfies

(y0

) 

p 

p c



(1 h

 )

is equivalent to the value of y that satisfies



dL d

(

y y)   c(1  ) 0, where L(y), the expected shortage plus holding cost, is given by L(y)

y p(  y)D() d 

y 0

h(y  )D() d