780 participants suffering from depression were randomly assigned to one of three groups.Over a four-month period,the first group received a low dosage of an experimental drug,the second group received a high dosage of the drug,and the third group received a placebo.At the end of the period each participant rated their mood on a scale of 1-5.Identify the treatments.

A) The experimental drug,mood
B) Placebo,low dosage,high dosage
C) The dosage of the drug
D) Mood level 1,mood level 2,mood level 3,mood level 4,mood level 5
E) The experimental drug

The union representing the Stanford Marketing Services employees negotiated a salary increase in each of the next three years of 3%, 2.5%, and 2.75%. If an employee earns $16.00 per hour now, how much will the employee earn per hour at the end of the contract?

A lottery offers the winner the choice between a $150,000 cash prize or month-end payments of $1,000 for 12½ years, increasing to $1,500 per month for the next 12½ years. Which alternative would you choose if money can earn 8.25% compounded monthly over the 25-year period?