Answer:
31-Mar
Dr Insurance expense $ 330 
Cr Prepaid Insurance $ 330 
31-Mar 
Dr Supplies expense $ 1,865 
Cr Supplies $ 1,865 
31-Mar 
Dr Depreciation expense $ 170 
Cr Accumulated Depreciation - Equipment $ 170 
31-Mar 
Dr Unearned Service Revenue $ 4,640 
Dr Service Revenue $ 4,640 
Step-by-step explanation:
Preparation of the adjusting entries for the month of March
Windsor Inc. 
Journal entries 
31-Mar
Dr Insurance expense $ 330 
Cr Prepaid Insurance $ 330 
31-Mar 
Dr Supplies expense $ 1,865 
(2,820-955)
Cr Supplies $ 1,865 
31-Mar 
Dr Depreciation expense $ 170 
Cr Accumulated Depreciation - Equipment $ 170 
31-Mar 
Dr Unearned Service Revenue $ 4,640 (11,600*2/5)
Dr Service Revenue $ 4,640