Bramble corp. has the following balances in selected accounts on december 31, 2020. service revenue $33600 insurance expense 5100 supplies expense 3000 all the accounts have normal balances. bramble corp. debits prepayments to expense accounts when paid, and credits unearned revenues to revenue accounts when received. the following information below has been gathered at december 31, 2020. 1. bramble corp. paid $5100 for 12 months of insurance coverage on june 1, 2020. 2. on december 1, 2020, bramble corp. collected $33600 for consulting services to be performed from december 1, 2020, through march 31, 2021. 3. a count of supplies on december 31, 2020, indicates that supplies of $500 are on hand. prepare the adjusting entries needed at december 31, 2020. (credit account titles are automatically indented when the amount is entered. do not indent manually.)