diff --git a/12-lets-build-our-store/img/12.png b/12-lets-build-our-store/img/12.png new file mode 100644 index 0000000..5a6b065 Binary files /dev/null and b/12-lets-build-our-store/img/12.png differ diff --git a/14-machine-coding-interview/img/14.png b/14-machine-coding-interview/img/14.png new file mode 100644 index 0000000..d237ac2 Binary files /dev/null and b/14-machine-coding-interview/img/14.png differ