ise $12\mathrm{.}2$ #$15$ algo $($Calculator Version$)$

How long will $$580,000,$ in an investment account that earns $4\mathrm{.}45\%$ compounded monthly, sustain month$-$end withdrawals of $$4,200?($Do not round intermediate calculations and round up the number of payments, n$,$ to the next whole number.$)$

year$($s$)$ and

month$($s$).$