I bought a cow for $800
I sold it for $1000
I bought it again for $1100
I sold it again for $1300
How much did I earn?

I bought a cow for $800
I sold it for $1000
I bought it again for $1100
I sold it again for $1300
How much did I earn?
Welcome, Login to your account.
Welcome, Create your new account
A password will be e-mailed to you.