A supply chain has the following information:

	Supplier	Factory	Wholesale	Retailer
Inventory in days*	30	90	40	20
Accounts receivable in days	20	45	30	40
Accounts payable in days	30	45	60	37
Sourcing unit cost	$ 5	$20	$55	$70
Added unit cost	$10	$25	$10	$30
Sales unit price	$20	$55	$70	$110
On-time delivery (%)	85	95	75	95

Rank the performance of the Supplier, Factory, Wholesaler and Retailer functions ( from 1 through 4) for:

A)Inventory in days:

B)On-time delivery percent:

C)Calculate the TOTAL inventory in days for the Supplier, Factory, Wholesaler and Retailer functions

D)Calculate the RTY for for the Supplier, Factory, Wholesaler and Retailer functions