vertising director is asking for an increase in her marketing budget of $1,500 per month. she plars to enhance hernqarker the additional advertising will result in a 50% increase in demand. For this-stuation, the additional advertising costs arre con erating income? On the other hand, the production manager believes that this increase ir sales bould put pressure an thin p or costs per unit. vertising director is asking for an increase in her marketing budget of $1,500 per month. she plars to enhance hernqarker the additional advertising will result in a 50% increase in demand. For this-stuation, the additional advertising costs arre con erating income? On the other hand, the production manager believes that this increase ir sales bould put pressure an thin p or costs per unit