Bookkeeping in the Northern Song Dynasty

Traveling back to the Northern Song Dynasty, Song Qingyan became a little widow. She inherited a seafood shop, saw that her family was living in poverty, and she had to support her young adopted son, so the first step was to go to sea. Later, a maritime tycoon appeared in the Northern Song Dynasty. It is said that that day, there was a man who built a ship next to her. He was tall and scary, and he called her sister-in-law. Later, he called her wife. Concept: Bright growth