Chris is spending the summer volunteering as a lifeguard. the other job he could have had was to paint houses for $440/week. his opportunity cost of life guarding this summer is:

a: $400/week
b: $440/week
c: $840/week
d: either $400 or $440/week
e: none of the above

Which of the following statements is true about taste bud preferences? a. taste buds respond exclusively to a certain taste sensation, like saltiness. b. taste buds have the ability to respond to all of the taste sensations. c. taste buds do not differentiate between bitter and salty sensations. d. taste buds have the capability to detect three taste sensations.

You are only allowed to use tutors that your school recommends. t / f

Which are the apprehensions of the consumers who shop online? consumers who shop online enjoy the convenience of shopping from home but are apprehensive about theft and loss of privacy.