Two teachers purchased art supplies for their classes. One p…

Two teachers purchased art supplies for their classes. One paid $110 for eight large boxes of crayons. The other teacher purchased ten identical boxes for $120. The second teacher got more for her money because she took advantage of a quantity discount, a reduced price for buying ten or more boxes. Which element of the marketing mix most directly relates to these purchases?

A study begun in 2011 examines the use of stem cells in trea…

A study begun in 2011 examines the use of stem cells in treating two forms of blindness. Each of the 20 patients entered one of two separate trials in which embryonic stem cells were to be used to treat the condition.  Identify the Who in this study. Choose the correct answer below.