Peter and Blair recently reviewed their future retirement income and expense projections. They hope to retire in $32$ years and anticipate they will need funding for an additional $20$ years. They determined that they would have a retirement income of $$$$59$ comma $000\mathrm{.}00$ in$$ today's dollars but that they would actually need $$$$80$ comma $233\mathrm{.}00$ in retirement income$($in today's$$ dollars$)$ to meet all of their objectives.

a$.$ Their annual shortfall at retirement assuming inflation of $3$ percent per year is $$$$\_\_\_$

b$.$ Assuming $3$ percent inflation and a rate of return of $8$percent$,$ the additional amount they must have accumulated to fund their retirement needs at the time that they retire is $$$$\_\_\_$

c$.$ The additional amount that Peter and Blair must save each year for the next $32$ years if they wish to completely fund their income shortfall is $$$$\_\_\_$