Subject to § 541.058, it is an unfair method of competition or an unfair or deceptive act or practice in the business of insurance to make or permit with respect to a life insurance or life annuity contract an unfair discrimination between individuals of the same class and equal life expectancy regarding:
(1) the rates charged;
(2) the dividends or other benefits payable; or
(3) any of the other terms and conditions of the contract.