Amazon delivers packages in delivery trucks. Which of the following transactions of Amazon should be recorded as plant assets? Amazon changes the oil and oil filters on all its delivery trucks for a total cost of $10,000. Amazon pays $10,000 to a company that washes the floor of Amazon's very large garage. Amazon purchases two new engines for two trucks for $10,000. Amazon pays $10,000 to a company that washes all of Amazon's trucks. A waste management company comes to Amazon each week to pick up the recycling paper, newspapers, and plastic. Amazon pays this company $10,000 per month