Consider a slot machine, when you put in x dollars and pull the handle it randomly pays out 0.7x, 0.8x, 0.9x, 1.1x, 1.2x or 1.5x all payouts equally likely,

first put in $1, pull handle then put back in machine whatever the machine pays. Repeat

What is:

the average return

expected wealth after 100 rounds

the long run return

the volatility drag