Answer:
The amount of cash that will be reported on the balance sheet at the end of Year 2 is $900
Step-by-step explanation:
Mason Company carries its operations based on cash. In other words, its purchases and sales are in cash, not credit. 
The amount of cash of Mason Company will be: 
 
 Beginning Balance + cash revenue - cash expenses 
 $500 Beggining Balance 
+$1,200 cash revenue 
- $800 cash expenses 
= $900