Common use of Select one Clause in Contracts

Select one. All Employees working a minimum of  20 hours (or)  30 hours per week are eligible to enroll. EMPLOYER CONTRIBUTION    The employer must contribute a minimum of 50% of the cost of the Employees' medical premiums, and 100% of employee’s dental, vision, life or long term disability premiums (does not include cost of dependent coverage). What percentage of the Employees’ medical premium does the firm contribute? 50% 100% Other %