3. At Acme, Incorporated, forty percent of the employees work primarily in an office, fifty percent work primarily in the field, and the rest work primarily at home, using a remote terminal. Of the employees who work primarily in an office, sixty percent are at least 50 years of age. Of those who work primarily in the field, only fifteen percent are at least 50 years of age. Of those who work primarily at home, using a remote terminal, none are 50 years of age or more.+ a What proportion of Acme's employees who are under 50 work primarily at + home, using a remote terminal? What proportion of the employees are at least 50 or work primarily at home?+