The one-year futures price on a particular stock-index portfolio is 2,470, the stock index currently is 2,400, the one-year risk-free interest rate is 4.0%, and the year-end dividend that will be paid on a $2,400 investment in the index portfolio is $23. By how much is the contract mispriced? (Input the amount as positive value.) The futures price is $ (Click to select) v its "proper" or parity value