Panjim's prepaid expense account consists only of garage rental prepayments. Its 2015 beginning and ending balance were the same. Which one of the

Panjim's prepaid expense account consists only of garage rental prepayments. Its 2015 beginning and ending balance were the same. Which one of the following statements must be true?

• Panjim had no garage rental expenses during 2015
• Panjim's prepaid expense account balance never varied during 2015
• Panjim's prepaid expense account balance varied during 2015
• None of the above statements is true