A payment stream consists of three payments: $1,100 due today, $1,600 due 90 days from today, and $2,100 due 220 days from today. What single payment, 70 days from today, is economically equivalent to the payment stream if money can be invested at a rate of 3.6%? (Use 365 days a year. Do not round intermediate calculations and round your final answer to 2 decimal places.) Single payment $ ?