Last winter I replaced my original tires with some Toyos . I also got an alignment at the same time just in case I had knocked that out of whack . Since then my mileage has dropped about 5 mpg . This time of year I typically used to get around 32 mpg .

Choices:
1). None of the above choices ..
2). It is lower than it was before ..
3). It is about the same as it was before ..
4). It is higher than it was before ..
Answer the following question: What may be a plausible fact about my change in mileage since last winter ?
2).