Q1. 1. There are differences between haploid invasive growth and diploid pseudohyphal growth. Diploids form filaments readily on low ammonia medium, but poorly on rich medium.

2. In contrast, haploids do not appear to form filaments on low ammonia medium, but do form them on rich medium. Why this happen? “

Q2. Refer to the original data. Imagine again that the company sold 31,000 units last year. The president does not want to change the selling price. In its place, he wants to increase the sales commission by $2.10 per unit. He thinks that this move, combined with some increase in advertising, would enhance annual sales by 35 percent. By how much could advertising be increased with profits remaining unchanged?