Answer:
The best batch size for this item is 400 units.
Explanation:
As given Annual demand (D)=1000 units, Carrying cost (H)=$10 per unit, set up cost (S)=$400.
As per the production order model formula will be:
\sqrt{2}D*S/H[1-d/p]} .
d for week=1000/50
=20. p per day
=40 units/7 days.
=5.71
d per day = 20/7
=2.85
Therefore on applying all these:\sqrt{}2*1000*400/10[1-2.85/5.7.
on solving this we will get 400 Units
Therefore, The best batch size for this item is 400 units.