Am I obligated under state law to provide him access to the estate account?

I was named executor if my sister's estate. She passed away earlier this year. I'm still in the process of selling her house, a car and boat. All of her household possessions were sold in an estate sale and on-site auction held by a professional company. One of the beneficiaries is asking for access to the estate financials and is upset that I recently lowered the selling price of the house. Because I have refused to tell him how much is in the account or at what institution the money is held, he's accusing me of dishonesty and "hiding things." My reason for refusing to let him see the accountings is he doesn't care what the remaining bills are or what else may be owed to creditors so the accounting will not be an accurate reflection of any monies he'll receive. In the end, he'll still accuse me of dishonesty.