Required For each of the following events, indicate whether the freight terms are FOB destination or FOB

Question:

Required
For each of the following events, indicate whether the freight terms are FOB destination or FOB shipping point.
a. Sold merchandise and the buyer paid the freight costs.
b. Purchased merchandise and the seller paid the freight costs.
c. Sold merchandise and paid the freight costs.
d. Purchased merchandise and paid the freight costs.