If an investment of 1 will be tripled in 95.53 years at a constant force of interest 8, in how many years will an investment of 1 be doubled at a nominal rate of interest numerically equal to 8 and convertible every four years? (1.b-f #18] O At least 45, but less than 50 O At least 50, but less than 55 At least 60, but less than 65 O At least 40, but less than 45 O At least 55, but less than 60