Which of the following should be classified and included in the account Inventory as of December 31, 2023? (Assume a calendar year accounting period.)

a. Merchandise you shipped FOB destination on December 26, 2023 and was received by your customer on January 8, 2024. The customer was invoiced on January 2, 2024.

b. Merchandise received on January 4, 2024, shipped FOB destination. Invoice was received on December 28, 2023.

c. Merchandise shipped FOB shipping point on December 29, 2023. The merchandise was sold on the installment basis (bad debts can be reasonably estimated)

d. Merchandise that you received and is being held on consignment