This table shows the raw frequencies of a sample of terms in a four-document corpus. The goal is to use the TF-DF scheme to calcufate the weighted term-by-document matrix. The raw frequency is used as the local weight. What is the weight of the term "Separation in "Doc 4" in the term-by.document matrix? Terms Doc 1 Doc 2 Doc 3 Doc 4 Breaking 17 3 0 1 Usual 12 12 13 5 Happy 0 o 15 11 Separation 0 0 0 15 0 34.83 45 49.83