Mary purchased on office property in March 2019. She paid $15,550,000 and incurred closing costs of $50,000. She made a $1,000,000 down payment and financed the rest of the purchase with a non-recourse loan. The municipality accessed the land and building at $3,000,000 and $12,000,000, respectively. During the year Mary incurred repairs expense of $2,250.

What is Mary's basis in the land?