Answer: Please see answers in explanation column
Step-by-step explanation:
a)Total Labor Cost for Job 200 = Labor Hours x Direct labor rate 
 = 2,500 x $ 28 
 = $ 70,000 
 
b)Total Labor Cost for Job 305 = Labor Hours x Direct labor rate 
 = 3,000 x $ 24 
 = $ 72,000 
 
Labor Cost for Job 200 and Job 305 during May = $ 70,000 + $ 72,000 
 = $ 142,000
Date Account Titles and Explanation Debit Credit 
May 31st Work In Progress $142,000 
Wages Payable $ 142,000