Five months ago, Mike earned ten times more money than Fred, and since Fred earned $1000, Mike earned 10*1000 = $<<10*1000=10000>>10000 more than Fred.
The total amount of money that Mike earned five months ago is $10000+$1000 = $<<10000+1000=11000>>11000
Mikes salary has increased by 40/100*$11000 = $<<40/100*11000=4400>>4400
Mike's current salary is $11000 +$4400 = $<<11000+4400=15400>>15400
#### 15400