A skateboard factory uses 95kg of ball bearings every day in its operations, which is drawn from a central silo. For tracking purposes, the silo has markings on its sides to show the amount of ball bearings contained inside. If it takes five days for an order of fresh ball bearings to arrive from the supplier, at what mark on the silo should the factory place an order, at the absolute latest?

Select one:

a. 95kg

b. 475kg

c. 237.5kg

d. 19kg

e. 100kg