Rana and Shane are both senior software analysts. They have worked together on projects for six years and get along very well. Rana is anticipating the arrival of her first child and will not be able to work on a full-time basis in the future. Shane is contemplating opening his own business as a home media installation consultant and does not want to continue to work full time. They both need some income. Which of the following alternative job structures would be best for Rana and Shane? a. tele-commuting b. job enlargement c. job sharing d. job rotation e. job enrichment