Specify whether the benefits offered by an employer are considered taxable or non$-$taxable to the employee. $($Key in $1$ for taxable; $2$ for non$-$taxable$)$

Uniforms and special clothing required to protect employees from hazards.

Premiums paid by employer under private health services plans.

Low rent housing in non$-$remote or non$-$special work sites.

Payment of the tuition for an employee taking a course that will benefit the employer.

A $15\%$ discount on the employer's merchandise, available to all employees. The discounted amount is above the employer's cost where the regular sales prices never exceed $$150.$