4. A company located in Basel can be served by both train and truck at a cost of 250 Euro and 1500 Euro per load respectively. The transit time for the train is 15 days while it is 5 days for truck.

Indicate which transport option is best considering following holding (in transit inventory) costs and justify with your calculations

a) If transit inventory cost is 100 Euro

b) If transit inventory cost is 50 Euro