$25
About 400 AD.
Papyrus is paper invented in 3000bc and was used for paintings and writing until the 11th century AD.
It cost $4.5 billion
2000$
The cost of putting an Ad on the internet depends on the medium of use and type of Ad. For instance, it costs differently to put an Ad on Facebook compared to on Google.
Cost of AdsThe cost of ads on Answers.com vary with the type of ad.
About average costs
the emperor in the time and years of 300 AD was Emperor Constantine
$210.30
wish i could
It depends on what you are selling
The former king Aksum conquered the Kush in the AD 300's.