Kayla buys hamsters for $11 apiece and sells them for $30 each. She pays her employee, Julia, a saies commission of $1 per hamster sold, along with a monthly salary of $2,000. Assuming Kaytarents har stor for $2,000 per month and sold 600 hamsters last month, what is her margin of safety percentage? Select one a 20% b. None of these 6.833 d. 167