4. The company rep sends out an email that a new version of the drug is available. This version has a stronger binding affinity and blocks receptors at a higher rate. The claim is that this should increase the effect of the drug by 20%. Unfortunately, the drug costs 50% more than the original drug. Discuss how you could use power analysis to determine the relevant ethical and financial trade-offs in using this new drug (for the purposes of this question, let's assume the company rep is telling the truth about the effectiveness of the new drug).