Please kindly answer 9.7 and 9.11. I am preparing for my finals and getting confused.

9.7 Statistical data for Nursing Unit A in HADM Memorial Hospital are shown in Table EX 9.7. Using the data provided, calculate the following ratios and compare them to the benchmark values of a peer group shown in brackets " [] ": a. Case mix index [1,20]. Does Unit A serve more severe patients? b. Adjusted nursing hours per adjusted discharge [32.81]. What would be the reasons for the difference between Unit A and the benchmark productivity ratio? c. Nursing salary expense per adjusted discharge [1,294.27]. What steps would you take based on this ratio? d. Percentage of adjusted nursing hours in direct patient care [0.64], 9.11 A multihospital system would like to compare the productivity of nursing staff in three of its cardiac intensive care units. Assume that 1LPN=0.78RN and 1NA=0.55FN. Using the data for each unit shown in Table EX 9.11, compute the following for each unit: a. Case mix index b. Adjusted nursing hours per adjusted discharge c. Nursing salary expense per adjusted discharge d. Percentage of adjusted nursing hours in direct patient care e. Which cardiac unit would you recommend be used as the benchmark for future improvement initiatives? Justify your