I think you just have to add all of the totals up??
Answer:
The first one : decay
The second one : growth
When the argument of the exponential expression is bigger that 1 then it represents a growth
When it's less than 1 and above 0 then it's a decay
Kiki and Rose's points
They are on the same vertical line so they fail
120,000×0.016=1,920
(1,920+8,962.49)÷120,000)*100=9%
(8,962.49÷120,000)*100=7%