This post explains how to calculate Weighted Average in Excel with percentages ... elements from the 2 arrays, the function is adding the products together to get the desired average.

Nick David / Getty Images There is no specific formula ... weighted average cost of capital (WACC) is a financial metric that reveals a firm's total cost of capital. To calculate WACC in Excel ...

It measures the weighted average of the years that an investor ... In simpler terms, the Macaulay duration is the time an investor would take to get back all of their invested money in the bond ...