Summary
If you make 26,640,640 LL a year living in Lebanon, you will be taxed 2,531,127 LL. That means that your net pay will be 24,109,513 LL per year, or 2,009,126 LL per month. Your average tax rate is 9.5% and your marginal tax rate is 14.8%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 LL in your salary will be taxed 14.83 LL, hence, your net pay will only increase by 85.17 LL.
Bonus Example
A 1,000 LL bonus will generate an extra 852 LL of net incomes. A 5,000 LL bonus will generate an extra 4,259 LL of net incomes.