Answer:
The journal entry is as follows:
Cash A/c Dr. $18,000
Equipment (Fair value) A/c Dr. $9,000
To N's capital $27,000
(To record the investment bought by Nichols)
Workings:
Cash contributed by Nichols = $18,000
Equipment's Book value = $6,300
Fair value of equipment = $9000
Nichols capital = $18,000 + $9,000
= $27,000