please solve both

PA 6.5 (Static) Consider a process restringing tennis rackets. The... Consider a process restringing tennis rackets. The process starts with a unit cost of $10 for the first unit, l.e., 9(1)=10, and a learning rate of LR=0.9. What will be the unit cost for the 35 th unit? Note: Round your answer to 3 decimal places. PA 6-11 (Static) A company has 2,200 employees... A company has 2,200 employees, on average, and it recruits, on average, 300 employees per year. What is the average tenure of an employee? Note: Round intermediate calculations and your final answer to 4 decimal places