please help with these

The Smith Company had supplies on hand at the end of the month worth $100 and during that month the company had purchased $200 of supplies. If $500 worth of supplies were on hand at the beginning of the month, then the related adjustment transaction for that month would record supplies expense of how much? Enter as a positive number. 1 pts You recently purchased a new car for $18,500 by agreeing to make equal annual payments for 3 years. If the interest rate on your loan is 6 percent, how much is each payment? Round your final answer to the nearest whole dollar