1) Packages arrive at a facility at a rate of 30 per hour and are processed continuously at a rate of 25 per hour. The facility is open from 8 a.m. to 4 p.m. How long does the last package wait before it is processed?

A) 1.75 hours

B) 1.60 hours

C) 1.33 hours

D) 1.20 hours

2) "Magazines, TVs, elevator music, and frequent communication are all "

A) psychological ways of reducing wait times

B) physical ways of reducing wait times

C) social ways of reducing wait times

D) none of the above