Answer and Explanation:
The Journal entries are shown below:-
a. Accounts receivable Dr, $2,000
To Service revenue $2,000
(Being service revenue is recorded)
b. Wages expenses Dr, $1,000
To Wages payable $1,000
(Being wage expenses is recorded)
c. Interest expenses Dr, $400
To Interest payable $400
(Being interest expenses is recorded)
d. Lawn service expenses $500
To Accounts payable $500
(Being lawn service expenses is recorded)
e. Interest receivable $200
To Interest revenue $200
(Being interest revenue is recorded)
f. Salaries expenses $900
Salaries payable $900
(Being salary expenses is recorded)