The "Dogs of the Dow" Refer to the Stocks Listed

The "Dogs of the Dow" refer to the stocks listed on the Dow with the highest dividend yield. The table shows the top ten stocks of the "Dogs of the Dow" list in February, 2005. You decide to make a small portfolio consisting of a collection of seven of the top ten Dogs of the Dow. How many portfolios are possible $$\begin{array} { | c | c | c | c | } \hline \text { Symbol } & \text { Company } & \text { Price } & \text { Yield } \\\hline \text { SBC } & \text { SBC } & 23.62 & 5.46 \% \\\hline \text { Communications } & \text { General Motors } & 36.64 & 5.46 \% \\\hline \text { MRK } & \text { Merck } & 28.02 & 5.42 \% \\\hline \text { MO } & \text { Altria } & 63.20 & 4.62 \% \\\hline \text { VZ } & \text { Verizon } & 35.68 & 4.32 \% \\\hline \text { JPM } & \text { JP Morgan Chase } & 37.00 & 3.68 \% \\\hline \text { C } & \text { Citigroup } & 48.38 & 3.64 \% \\\hline \text { PFE } & \text { Pfizer } & 24.35 & 3.12 \% \\\hline \text { DD } & \text { DuPont } & 47.23 & 2.96 \% \\\hline \text { GE } & \text { General Electric } & 35.75 & 2.46 \% \\\hline\end{array}$$

A) 5,040 portfolios
B) 21 portfolios
C) 24 portfolios
D) 120 portfolios
E) 56 portfolios