24. As Reba consumes four slices of pizza, her total utility rises from 0 to 18, to 24, to 28, and to 30, respectively. What is her marginal utility of the fourth slice of pizza?HoursMU from windsurfingMU from snorkeling11204021003638030460225401261210710825.Max enjoys snorkeling and windsurfing. Max has $35 to spend, and he can spend as much time as he likes on his leisure pursuits. Windsurfing equipment rents for $10 an hour, and snorkeling equipment rents for $5 an hour. How long Max spend windsurfing and how long does he spend snorkeling?