The loan given in the table was paid off early. Find the unearned interest by (a) the actuarial method, and (b) the rule of 78. (a) The unearned interest calculated using the actuarial method is $ .(Round the final answer to the nearest cent as needed. Round all intermediate values to the nearest cent as needed.) (b) The unearned interest calculated using the rule of 78 is $. (Round the final answer to the nearest cent as needed. Round all intermediate values to the nearest cent as needed.) The loan given in the table was paid off early. Find the unearned interest by (a) the actuarial method, and (b) the rule of 78. (a) The unearned interest calculated using the actuarial method is $ .(Round the final answer to the nearest cent as needed. Round all intermediate values to the nearest cent as needed.) (b) The unearned interest calculated using the rule of 78 is $. (Round the final answer to the nearest cent as needed. Round all intermediate values to the nearest cent as needed.)