A supply chain has the following information:

Supplier Factory Wholesale Retailer

Inventory in days$*30904020$

Accounts receivable in days $20453040$

Accounts payable in days $30456037$

Sourcing unit cost $$5$ $$20$ $$55$ $$70$

Added unit cost $$10$ $$25$ $$10$ $$30$

Sales unit price $$20$ $$55$ $$70$ $$110$

On$-$time delivery $(\%)85957595$

$*$This is also the throughput time in days.

a$.$ Compute the total supply chain throughput time for all the entities from beginning to end.

b$1.$ Compute the cash$-$to$-$cash cycle time for each of the four entities separately.

b$2.$ Based on this calculation, who is benefiting the most?

multiple choice

Retailer

Wholesaler

Supplier

Factory

c$.$ Compute the total delivered unit cost in the supply chain from beginning to end. How much profit is there in the supply chain?