Cassandra Dawson wants to save for a trip to Australia. She will need $15,000 at the end of four years. She can invest a certain amount at the beginning of each of the next four years in a bank account that will pay her 6.5 percent annually. How much will she have to invest annually to reach her target? (Round to the nearest dollar.) $3,404 O $2,115 $2,259 O $3,196