Your client wants to purchase two round lots of 100 shares each of Company ABC and Company DEF stocks on a margin of 55%.Stock ABC is currently sold at $20 per share and Company DEF is at $15 per share. Broker fee is 10% (per annum), and commission is 4% of stock value on purchase and sale price.

Two years after the purchase, both companies paid dividends at a rate of $0.60 per share. You then sold your ABC stocks at $25 per share and stock DEF at $18 per share.

Calculate the rate of return on this stock.