Answer:D. Roofing company.
Step-by-step explanation:
Fob is a term in sales contract which means free on board, it could however have different addition such as buyer's warehouse, seller's warehouse, seller's factory, buyer's
factory.etc.
Whatever the addendum it shows from where the buyer takes responsibility for risks and rewards of ownership.
In the above scenario which is fob Singles warehouse, it means the roofing company takes responsibility for any risk on the roofing tiles right from Singles warehouse and so means the roofing company is responsible for the loss of the roofing tiles in transit.