Seven small companies are part of a study the result of which is collapsed. The independent variable is company's CEO height (Short, Average, Tall) and the independent variable is profit status from the last fiscal year (net loss, net neutral, net gain). What would be the most reasonable tool to quantify the association between the variables?

a. somers D

b. Kendalls Tau-C

c. Kendalls Tau-b

d. Pearsons r

e. Phi

f. Cramers V