$.$ Deflation is a great economic problem because:

a$)$ consumers can not afford to maintain their usual lifestyles.

b$)$ prices and wages fall but debts remain the same.

c$)$ people have difficulty paying back their debts.

d$)$ social Security costs rise very fast.

e$)$ choose any two or more combinations from above $($a$-$d$),$ and state those as your

answer.