Write a SQL statement that Deletes all courses that no one is enrolled in. 12444 3 bookid 5 3 4 courseld student studentid name Tom 2 3 4 book title Introduction of Algorithms Database System Concepts Stochastic Calculus for Finance I Stochastic Calculus for Finance II course Advanced DB Organization Math Finance I Math Finance II gpa 3.3 title Algorithms DB Organization John 3.8 Mary 3.0 Kris 3.6 Alex 3.5 faculty facultyld name 1 2346 5 date 2017-08-29 2017-09-02 2017-09-07 price total copies 84.66 74.99 41.02 55.22 book_checkout 4 1 2 3 salary James 70000 Sarah 60000 Jay 80000 Rachel 70000 Paul 85000 1 instructorid textbookid 1 bookid studentid 4 12 12 12 5 3 3 2234 enroll studentid courseld 1 4 4 5 2344N 1 5 2. Advanced Medical Technology is a new, rapidly growing firm that produces specialized medical instruments. They sell to hospitals and other surgical units, and a substantial portion of their sales are to foreign governments. Typical payable terms in the industry are payment with 30 days. They recently reported the following financial information: Sales Cost of sales Inventory Accounts receivable Accounts payable # of Days per year $225,000 180,000 33,000 72,000 30,000 365 Compute the additional working capital financing period for Advanced Medical. Comment on their working capital financing period. What actions might Advanced take to improve their situation?