A firm has a receivable of $A$$$2,000,000\mathrm{.}00.$ They hegdge this exposure with a forward participation contract with a guaranteed rate of $$\frac{1\mathrm{.}7000}{?}$ A $ and a participation rate of $40\%.$ If at the time of payment the spot price ends up equal to $$\frac{1\mathrm{.}8360}{A}$$$,$ how much did the firm end up with?

$($a$)$ $$3,508,800$

$($b$)$ $$3,400,000$

$($c$)$ $$3,672,000$

$($d$)$ $$3,291,200$

$($e$)$ None of the above

The correct answer is $($a$)$ $$3,508,800.$ Just need help with the math to get that answer. Thank you.