Answer:
$780.
Step-by-step explanation:
Jo Bower owns 150 shares of Data General stock.
She purchased the stock for $24 a share.
So, cost of purchasing 150 shares = 
= 
She sold her stock for $30 a share.
So. she sold 150 shares of amount = 
= 
So, Profit = SP-CP
Profit = $4500-$3600
Profit = $900
The commissions required to buy and sell her stock totaled $120.
So, her total return for this transaction = 900-120
=780
Hence, Her total return for this transaction is $780.