Answer:
Yes she should purchase this preferred stock.
Step-by-step explanation:
Return on investment as a percentage = return/capital invested * 100
For Aeryn to decide whether she should purchase this preferred stock, its return on investment should be higher than or equal to 8%. The return on investment of this preferred stock is $40/$475 * 100 = 8.42%, which is higher than her required return therefore she should purchase the preferred stock.