CJ has saved ₱5,000.00 in his savings account. He will be spending a portion of it to buy a book which costs ₱535.00 at a certain bookstore in the nearest mall. Based on the given situation, what is the base?

a. ₱2,000.00
b. ₱3,000.00
c. ₱4,000.00
d. ₱5,000.00