Hello, I have an agriculture economics-related question about commodity futures and can not seem to figure out the answer? Here is the picture of the image below.

Question 14 To construct an accurate regression pricing model for corn futures: O The value of several dependant variables relating to corn would have to be calculated. 0 The most important independent variable would be the price of corn. 0 Only small amounts data would have to be obtained. 0 Accurate measures of all the independent variables inuencing corn would be needed