In the lecture on applying PCA in SAS enterprise miner, we first ran a regression using all 5 original input variables. The R-square was e0.8793. after applying PCA, one of the questions you were left with was " what do you think will happen if we used all 5 principal components?" the value of R- Square will a. less than 0.8793, b. greater than 0.8793, c. equal to 0.8793, d. it could be a, b, or c. depending on the specific data