On August 1, 2020, LL Company paid $ 6,300 for a one-year insurance policy with the insurance coverage beginning on the next month. As of December 31, 2020, which of the following account balances are correct after adjusting entries have been made? a. Prepaid insurance $2.100, and Insurance expense $4.200 b. Prepaid insurance $2.100, and Insurance expense $2,100 c. Prepaid insurance $4,200, and Insurance expense $2,100 d. Prepaid insurance $1,575, and Insurance expense $1,575