jill bower purchased 190 shares of stock for $25 a share and sold it for $31 a share. The commission required to buy and sell her stock totaled 150 for each transaction. Assuming she received no dividends during the time she owned the stock, what is her total investment on the purchase of this stock>

a. $1,290

b. $2500

c. $635

d. $1140

e. $4900