Christies Campground rents space for campers from April to October. While Christies has a December 31st year end, many campers put down a deposit for the following summer to secure the desired week. As at December 31, 20x4, the revenue account has a balance of $70,000, which includes $8,000 of deposits for next season. The 20x3 deposits of $5,000 for the 20x4 summer season are currently recorded in the unearned revenue account. How much revenue should Christies show on its 20x4 statement of income?

a) $62,000

b) $67,000

c) $70,000

d) $75,000