Question 15 There were 522 cell phones sold at an electronics store in January. Since then, cell phone sales at this store have increased at a rate of 2.667% per month. At this rate of growth, which function can be used to determine s(m) the monthly cell phone sales m months after January? Answer A s(m) = 522(0.02667)" B s(m) = 522(1.02667)" C s (m) = 522(0.97333)m+1 D s (m) = 522(0.02667)+: