Total points: $21/25$

William is the father of a six$-$month$-$old child. Riko, who works for the same employer as William, is the mother of a one$-$year$-$old child. Their employer has allowed them to "split" the work responsibilities for one full$-$time position. This allows both William and Riko to spend more time caring for their offspring. In this scenario, the employer has approved which of the following types of work arrangements?

Flextime

Compressed workweek

Job sharing

Job enrichment