PLS HELP ! Compute gross profit earned by the company for each of the four costing methods. For specific identification, the March 9 sale consisted of 95 units from beginning inventory and 225 units from the March 5 purchase; the March 29 sale consisted of 75 units from the March 18 purchase and 115 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.)

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test