Assume that in $2015,$ the first edition of a comic book was sold at auction for $$1,475,500.$ The comic book was originally sold in $1939$

for $$\mathrm{.}08.$

For this to have been true, what was the annual increase in the value of the comic book? $($Do not round intermediate calculations and

enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

Annual increase