Answer:
42.83%
Step-by-step explanation:
The computation of the weight of the common stock is shown below
= Common stock ÷ Total capital 
= $395,200 ÷ $922,825
= 42.83%
Working note
For Common Stock 
= 10,400 shares × $38 
= $395,200 
 For Preferred Stock 
= 225 shares × $89 
= $20,025 
 Bonds Outstanding 
= 540 Bonds × $1,000 × 94% of par 
= $507,600 
 Now the Total capital is 
= $395,200 + $20,025 + $507,600
= $922,825