Answer:
The answer to this question can be defined as follows:
Step-by-step explanation:
For point a:
Chargeable advantages to social welfare:

Pension benefits etc $35 thousand
Total AGI=

For point b:
Additional revenue

Taxable

AGI =

Less: AGI in (a)

Decrease

Tax payers' financial income has been down by
, but taxable AGI is down by $9,000. The reduction of
with a
MTR after the tax income.
For point c:
The least of follows

Smaller than that one
Calculated amount with the first formula
Less:

That is why Linda and Don have
of their gross income from the SSB
.
The benefits of social security

Additional revenues

AGI
Less (a) AGI (
)
Increases
AGI growth exceeds earnings increases because more SSB is taxed.