To solve the question of selecting the correct price from the given options, let's examine the choices one by one. We have four options:
1. 6.900
2. 7.900
3. 6.600
4. 7.600
In a multiple-choice question like this, we need to identify the correct price based on some criteria provided in the context. Given this information, the correct price among the options listed is identified as 6.900.
Therefore, the correct price is 6.900, which corresponds to option 1. So, the correct answer to this question is:
Option 1: 6.900