The lockbox receipt records for one 30-day month are provided below. (Day - Calendar Days of Float); Batch #1, 3 days, $20,000; Batch #2, 4 days, $10,000; Batch #3, 4 days, $5,000; Batch #4, 2 days, $15,000; The opportunity costs are 10%. What is the annual cost of float rounded to the nearest dollar? *