Answer:
b. $2,800,000.
Step-by-step explanation:
Since the contracts are accepted on cash basis, receipts are recorded in Unearned Service Revenue. In this case, the contracts outstanding as on 31st December 2014 is recorded in unearned service revenue as those cash is received in advance and will be credited to unearned service revenue
Unearned service revenue in Eaton's December 31, 2014 Balance sheet = $960,000 + $1,140,000 + $700,000 = $2,800,000