Which of these is the most significant item that personal finance skills can affect?

a. one's investment earnings
b. one's spending power
c. one's quality of life
d. one's ability to save

Say a certain manufacturing industry has 63.1 thousand jobs in 2008, but is expected to decline at an average annual rate of 1.7 thousand jobs per year from 2008 to 2018. assuming this holds true, what will be this industry’s percent change from 2008 to 2018? a. 70% b. -27% c. -17% d. -75%