Chopin Engineering Corporation purchased conveyor equipment with a list price of $15,000. Presented below are three independent cases related to the equipment.

(a) Chopin paid cash for the equipment 8 days after the purchase. The vendor's credit terms are 2/10, n/30. Assume that equipment purchases are recorded gross.
(b) Chopin traded in equipment with a book value of $2,000 (initial cost $8,000), and paid $14,200 in cash one month after the purchase. The old equipment could have been sold for $400 at the date of trade. (The exchange has commercial substance.)
(c) Chopin gave the vendor a $16,200 zero-interest-bearing note for the equipment on the date of purchase. The note was due in one year and was paid on time. Assume that the effective-interest rate in the market was 9%.

Prepare the general journal entries required to record the acquisition and payment in each of the independent cases above.(Round answers to 0 decimal places, e.g. $45,892. Credit account titles are automatically indented when amount is entered. Do not indent manually.)