Mary invested $20,000 to open a food truck business that she parks at her local football stadium on game day. The cost of making one hotdog is $1. Assuming that the sales reach 1000 pieces, she wishes to earn 10% as a return on investment.
What is the target return price of product?
The target return price will be $

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect