You recently increased your spending on marketing by 10%. You now spend $5,500 per month. Revenue increased by $1000 per month and your gross margin percentage is 70%. All other expenses stayed constant. Did the increase pay off?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.