Please answer all 4 questions, and explain briefly:) ! Thank you so much

From a performance perspective, which of the following is likely the easiest to control? Variable advertising Payroll Utilities Revenues Cost of goods manufactured O only includes product costs. O only applies to a merchandising company like Target or Walmart. O cannot be higher than cost of goods sold. O would include period costs. Liquidity ratios measure a company's abilities to manage O long-term debt paying abilitiy. O short-term debt paying abilitiy. O revenues. O net profits. The NPV method for capital investment analysis would always consider how many of the following? . Initial investment Operating cash inflows Operating cash outflows Salvage value. O2 3