Answer:
$ 27.50 per hour 
$ 5,500.00 per year
Step-by-step explanation:
 $ 
Salary upgrade: 9,500.00 annual 
Additional Working Hours : 200.00 yearly 
Family hours value: 20.00 hourly 
 
 
Additional Working Hours: Value determination: 
 
 Salary upgrade  =
 Additional Working Hours 
 
 9.500 / 200 = 47.50  
 
Additional hours value: $ 47.50 
 
Net Benefit determination 
 
 Additional Working hours value - Family Hours value = 
 
 47.50 - 20.00 = 27.50 
  
$ 27.50 per hour
$ 5,500.00 per year ( 27.50 * 200 hours )