solve this queston

Average demand per week, $=450$ and Standard deviation of weekly demand, o $=150$

Cost per unit. c $=150$ and Sales price per unit. $0=300$

disposal value $=$ $$90,$ and holding cost $=$ $$10$

calculate:

Cost of understocking, Cu

$2-$ Cost of overstocking, C

$3-$ Optimal Cycle Service Level. CIS~

Optimal Order Size. O

Expected Profits

Expected Overstock if $0=425$

$7-$ Expected Understock if $0=425$