Rather than traditional caulk, I decided to keep with the peel-and-stick approach and use InstaTrim self-adhesive caulk tape. While it looked nice at first, within a day, it shrank in length and ...

Second, peel off the top "protective layer" revealing a strip of yellow tape with a wider backing underneath. One edge is 1/8-inch wider, while the other side is 1/4 inch.