Investment can be increased both by reducing taxes on private saving and by reducing the government budget deficit. reducing taxes on private spending has the effect of the government budget deficit. what would you need to know in order to judge which of these two policies would be a more effective way to raise investment? check all that apply. the elasticity of private saving with respect to the after-tax real interest rate the response of private saving to changes in the government budget deficit the responsiveness of private saving to increases in investment

World systems manufactures an optical switch that it uses in its final product. world systems incurred the following manufacturing costs when it produced 74 comma 000 units last​ year: ​(click the icon to view the manufacturing​ costs.) another company has offered to sell world systems the switch for $ 13.50 per unit. the world systems prepared an outsourcing decision analysis to show the cost per unit of making the switches versus the cost per unit of buying​ (outsourcing) the switches. ​(click the icon to view the outsourcing decision​ analysis.) world systems needs 86 comma 000 optical switches next year​ (assume same relevant​ range). by outsourcing​ them, world systems can use its idle facilities to manufacture another product that will contribute $ 140 comma 000 to operating​ income, but none of the fixed costs will be avoidable. should world systems make or buy the​ switches? show your analysis.