[The following information applies to the questions disployod bolow] Data for Hermarn Coeporation are shown below: Foed expenses are $76.000 per month and the company is seling 4,600 units per menth. Exercise 5.5 (Algo) Part 1 Aequired: 1a. How misch wil net cperating income increase (pecrease) per month it the monthy adverwsing budget increases by 510,000 , the montriy saies volume increases by 100 units, and the totel monthly sales increase by 50000 ? it th should the idventsing budget be increased? complete this question by entering your answers in the tabs betow. Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $10,000, the monthly sales volume increases by 100 units, and the total monthly sales increase by $8,000 ? 1-b. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Should the advertising budget be increased