Pecking order hypothesis. Rachel can raise capital from the sources in the popup window: What is Rachel's weighted average cost of capital if she needs to raise a. $15,000 ? b. $20,000 ? c. $30,000 ? Click on the icon in order to copy its content into a spreadsheet. \begin{tabular}{|l|c|c|} \hline Source of Funds & Interest Rate & Borrowing Limit \\ \hline Parents & 1.5% & $11,000 \\ \hline Friends & 6% & $1,000 \\ \hline Bank loan & 11.5% & $16,000 \\ \hline Credit card & 14.5% & $7,000 \\ \hline \end{tabular}