The profit made for each large poster is $10 - $5 = $<<10-5=5>>5.
Each day Laran earns $5 * 2 = $<<5*2=10>>10 from selling large posters.
The profit made for each small poster is $6 - $3 = $<<6-3=3>>3.
Each day Laran earns $3 * 3 = $<<3*3=9>>9 from selling small posters.
Laran makes a total profit of $10 + $9 = $<<10+9=19>>19 per day.
For a 5 day school week, Laran makes a profit of 5 * $19 = $<<5*19=95>>95.
#### 95