Answer: Please see answers in explanation column
Step-by-step explanation:
a)Journal To record payment due for supplies
Date Account titles Debit Credit 
May 4 Accounts Payable $610 
 Cash $610 
(b)Journal To record services on account 
May 7 Accounts Receivable $6,840 
 Service Revenue $6,840 
c)Journal To record supplies on account 
May 8 Supplies $870 
 Accounts Payable $870 
 d)Journal To record equipment purchased for cash
May 9 Equipment $1,930 
 Cash $1,930 
 
May 17 Journal To record cash paid to employees
Salaries and Wages $700 
 Cash $700 
May 22 Journal To record bill received for for Equipment repairs
 Repair and Maintenance $800 
 To Accounts Payable $800 
 
May 29 Journal to record Prepaid insurance
Prepaid Insurance $1,280 
 To Cash $1,280