Ruby is the manager of a medium$-$sized company that provides website development and online content management services to small businesses. Within the last year, Ruby has noticed an increase in voluntary turnover. Many employees, during their exit interviews, have told Ruby that their job did not provide them with the work$$life balance they needed. Based on this information, which of the following changes could Ruby make to best prevent additional turnover?

a$.$ Redecorate employee offices so that employees have a more pleasant work environment

b$.$ Increase overtime opportunities so that employees can earn extra pay

c$.$ Provide weekend training seminars to employees so that they can further develop their skills

d$.$ Offer increased opportunities for flexible scheduling and telecommuting