Comparative income statements for Tudor Retailing Company for the last two months are presented below: 
Which of the following classifications best describes the behavior of shipping expense?
Definitions:
Second Darwinian Revolution
A period of extended scientific research and discussion that further explores and builds upon Charles Darwin's theory of natural selection.
Nearsightedness
A common vision condition in which close objects appear clearly, but distant ones do not, also known as myopia.
Mutation
A random error in gene replication that leads to a change.
Epigenetic Mark
Chemical modifications to DNA or histones that change gene activity without altering the DNA sequence, affecting how genes are expressed.
Q12: (Appendix 12A)The Red River Division of Alto
Q25: Calip Corporation, a merchandising company, reported the
Q35: (Appendix 8C)The investment in working capital at
Q50: Holding all other things constant, an increase
Q70: (Appendix 11A)You have just been hired as
Q89: (Appendix 8C)Trammel Corporation is considering a capital
Q105: (Appendix 8C)Foucault Corporation has provided the following
Q149: Data concerning Marchman Corporation's single product appear
Q167: Hadrana Corporation reports that at an activity
Q182: Management of Childers Corporation is considering whether