A camcorder is sold with a 1-year warranty. The probability that a camcorder is brought back for service under the warranty is 2 %. It costs the manufacturer

$20 on average to repair a camcorder brought back under warranty. Last year, 5,000 camcorders were sold. What is the probability that fewer than 80 of them will be brought back to be repaired under warranty? How much should the company expect to spend living up to the warranty?