Retirement Planning with gift

A couple thinking about retirement decide to put aside $$16,000$ each year in a savings plan that earns $5\mathrm{.}70\%$ interest. In $6$ years they will receive a gift of $$199,000$ that also can be invested.

a$.$ How much money will they have accumulated $26$ years from now? $($Do not round intermediate calculations. Round your answer to $2$ decimal places.$)$

Accumulated savings

$$3649924\mathrm{.}77$

b$.$ If their goal is to retire with $$1,562,648$ of savings, how much extra do they need to save every year? $($Do not round intermediate calculations. Round your answer to $2$ decimal places.$)$

Additional savings

$

per year