use $0.20 a share for commissions and $0.125 for the odd-lot differential. Round all percents to the hundredths place value. Joseph Allen purchased 3,000 shares of PepsiCo common stock at $85.90 and 150 shares of preferred stock at $105.00. 1a.) What was the total cost of the purchase of common stock? __________ 1b.) What was the total cost of the purchase of preferred stock? __________