Messino plastic products is planning to roll out a newly designed car seat for toddler-aged children. it presented a prototype car seat in market research surveys to 1,435 mothers. six hundred forty-seven were impressed with the design and said they would buy the new car seat. messino estimates that the market for child car seats numbers 4,500,000, and each family would buy only one. what is the sales potential for this product rounded to the nearest ten thousand?