Demand is as following for the weeks ahead.

$124,60,316,183,0,55,43,154,0,0,114,171$

setup cost $=$ $$100$

carrying $($holding$)$ cost $=$ $$0\mathrm{.}20$ per week per unit

Lead time $=0$

Apply different lot sizing schemes to determine the most

cost efficient lot size. Compare the total costs?