Pronghorn Corp. began operations on January 1, 2023. Its fiscal year end is December 31 . Pronghorn has decided that prepaid costs are debited to an asset account when paid, and all revenues are credited to revenue when the cash is received. During 2023 , the following transactions occurred. 1. On January 1, 2023, Pronghorn bought supplies for $4,020 cash. A physical count at December 31,2023 , revealed $1,860 of supplies still on hand. 2. Pronghorn bought a $5,880, one-year insurance policy for cash on August 1, 2023. The policy came into effect on this date. 3. On November 15,2023 , Pronghorn received a $1,170 advance cash payment from a client for services to be provided in the future. As at December 31, 2023, one third of these services had not been performed. 4. On December 1, 2023, Pronghorn rented out excess office space for a six-month period starting on this date, and received a $1,080 cheque for the first and last months' rent. (a) For each of the above transactions, prepare the journal entry for the original transaction and any adjusting entry required at December 31, 2023. (List all debit entries before credit entries. Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Date Account Titles and Explanation Jan. 1 Supplies Cash (To record purchase of supplies) Dec 31 Supplies Expense Supplies (To record adjustingentry) Aug 1 Prepald insurance Cish (To record purchase of Insurance policy) Dec. 31 NON. 15 Dec. 31 Unearned Revenue Servlce Revenue (To record adjusting entry) Cish Rent Revenue (To record rent received) Unearned Rent Revenue Rent Revenue (To record adjusting entry) Debit Credit 4020