Tewksbury has a $2,000 pure discount bond that comes due in one year. The risk-free rate of return is 3.5 percent. The firm's assets are expected to be worth either $2,400 or $1,700 in one year. Currently, these assets are worth $1,900. What is the current value of the firm's debt? $1,439.72 $1,752.86 $1,560.26 $1,815.30 $1,642.48