Which of these sentences is punctuated correctly?
O The pink elephant looked out of place in the mall parking lot, however, the store clerk was being an expert wrangler.
O The pink elephant looked out of place in the mall parking lot; however, the store clerk was being an expert wrangler.
O The pink elephant looked out of place in the mall parking lot however, the store clerk was being an expert wrangler.
O The pink elephant looked out of place in the mall parking lot. However the store clerk was being an expert wrangler.