Economic return per unit of energy invested.
energy_profitability(gross_return, energy_in, verbose = TRUE)Numeric vector. Energy profitability (currency/MJ).
Formula: $$EPr = \frac{Energy Output - Energy Input}{Energy Input}$$
energy_profitability(gross_return = 112500, energy_in = 12000)
#> Energy profitability computed (currency/MJ).
#> [1] 9.38