From the list of accounts provided below, what is the total assets? - service revenue - unearned revenue -accumulated depreciation -supplies -supplies expense -cash I -tractor -accounts payable $1,900 $300 $1,400 $1,000 $200 $600 $30,000 $9,500 Select one: O a. $30,200 b. $31,600 c. $33,000 od $34.900