One illustrative method includes receiving a first data set associated with a shipping manifest from a first shipping entity. The method also includes receiving a second data set associated with a user preference. The method additionally includes generating a shipping matrix based on the first data set and the second data set. The method also includes receiving a third data set associated with an invoice and including a first shipping cost. The method additionally includes determining a particular row of the shipping matrix based on the third data set. The method also includes determining a second shipping cost based on data from the particular row of the shipping matrix. The method further includes determining if the first shipping cost is within a predefined tolerance range of the second shipping cost.