[Solved] These kind of relationships don't have the great highs of erotic ones, but neither do they have the fiery conflict and anger that can punctuate erotic relationships. A) eros B) storge C) ludus D) pragma E) agape Break-Even Point: The level of production or sales at which total revenues equal total costs, resulting in no profit or loss. R-Squared: A statistical measure representing the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model. Mixed Cost: A cost that contains both variable and fixed cost elements. Account Analysis: A method used in accounting to evaluate and break down the detailed costs of an account into its various components.