Portfolio benchmark: home loan interest rate?

Hi Navexa team, Feature request: a home loan interest rate benchmark, such as the RBA average variable rate. With rates where they are, many investors are choosing between investing and paying down debt, or are investing with borrowed money. For them, the relevant hurdle is the interest rate, not the ASX 200. Ideally it would be available in two versions: Before tax: the headline rate. After tax: net of a user-set marginal tax rate, to reflect the effective cost of deductible interest. This would let users compare portfolio performance directly against their cost of funding.