Cost of Patents The Davis Research Company engaged in the following six transactions during 2007:

1

Purchased a patent for $35,000. Legal costs of $5,000 were also incurred.

2

Costs of improving patent:

Engineering costs

$20,000

Assembling and testing prototypes

10,000

Other R&D costs

25,000

3

Sold a prototype machine for $7,000. The research and development were performed in previous years.

4

Licensed a manufacturing process to another company and received $80,000 as an advance payment.

5

Successfully defended a patent infringement suit at a cost of $12,000.

6

Earned $5,000 of the advance payment on the licensed manufacturing process in Item 4.

Required

Prepare journal entries to record the preceding transactions.