Question is below

1) In a large economics class at NC State, students have assigned seats. You are forced to sit next to a student who does not shower on a regular basis. By not showering, the student sleeps more, but you suffer by having to smell his unpleasant body odor. As a function of how frequently your fellow student showers, the value to each of you is: Frequency of Value to Value to Showering fellow~ student you Every day 510 50 Every 2 days 45 42 Every 3 clays 42 -54 Every 4 days 50 410 Every 5 days $4 $15 Every 6 days $8 420 Every 7 days $10 $25 The socially efficient frequency of showering is