19. The saving schedule relates: a) b) e) d) e) saving to the level of disposable income. saving to the level of national income. disposable income to domestic income. saving to interest rate. domestic income to disposable income. 20. As disposable income increases: a) b) c) d) e) consumption and saving both increase. consumption and saving both decrease. consumption decreases and saving increases. consumption increases and saving decreases. consumption and saving will be unaffected