Answer and Explanation:
The computation is shown below;
a. Total assets are
= Stock + Cash 
 = [$294,000 ÷ 1500 × 300] + [$300,000 - $225,000 - $69,000] 
= $64,800 
 And, Total expenses is 
= Materials + Labor 
 = $225,000 + $69,000 
= $294,000 
 The Name of the expense is Purchases, Salaries 
 b. Total assets are 
= Cash 
= $300,000 - $225,000 - $69,000 
= $64,800 
 And, the Total expenses = $294,000 
 The Name of the expense is Supplies, Salaries