The timeline of production indicates that Group of answer choices firms first invest (which is borrowing), then they produce, and then the revenue they receive is used to pay resource suppliers and lenders. supply creates its own investment. first production occurs, then profit represents a residual, and then this residual is saved. firms first save (which is lending), then they produce, and then the revenue they receive is used to lend even more. real interest rates rise faster than nominal interest rates because production occurs before income is received by the firm.