James Harris formed a corporation to provide concrete construction work. His jobs typically involve building parking lots, drives, and foundations. James provided the following information about transactions occurring during the first month of operation.

Jan. 2, 2014

James Harris invested $20,000 cash in the capital stock of the newly formed corporation

Jan. 4, 2014

Purchased equipment on account for $15,000

Jan. 12, 2014

Performed service to a customer and received $30,000.

Jan. 15, 2014

Purchased supplies in the amount of $4,000

Jan. 18, 2014	Provided $6,400 of service, on account
Jan. 20, 2014	Paid employees $4,600 for wages earned
Jan. 22, 2014	Collected 60% of the revenues earned on Jan. 18

On Jan.31, James found that there is $1,500 of supplies on hand.

Requirements: a) record journal entries and b) adjusting journal entry(ies)