You are given a multiple cost proposal from your supplier based on the below information:

Order Size	Cost
0 - 3,999	12
4,000 - 9,999	10.1
10,000+	9.5

Additionally, you have the following internal data points:

Field	Value
Ordering Cost	$100
Holding Rate	10%
Annual Demand	80,000 Units

You are an EOQ Whiz, and quickly determine the following EOQ values at the different cost points:

Cost	EOQ
12	3,652
10.1	4,040
9.5	4,103

Based on this analysis, which cost structure would offer you the lowest TAIC?