Crane Inc. needs to set aside cash for the replacement of a conveyor in its assembly line. Crane can afford to set aside $ 19,500 at the end of each quarter and will need $ 345,000 to replace the conveyor at the end of four years. What annual rate of interest will Crane need to earn on the cash invested to reach its goal of $ 345,000? (a) Of the variables listed in the dropdown, choose the variable being calculated