What is the difference between could be and could well be in this sentence I found at the bottom right side of page 4 on https://d2cyt36b7wnvt9.cloudfront.net/exams/wp-content/uploads/2020/10/12173028/hess306.pdf?
Advocate Roy examines Sushil and his employer as defense witness. Through their testimonies, she was able to show that Rs 10,000 found in Shanti's trunk could well be the earnings of Sushil and Shanti.