Noel has an initial account balance of $4,000. for the next five months, her account balance increases by $1,000 per month. after that, her account balance, b, decreases by $1,000 per month, t. which statements are true for this situation? a.) the equation that models the account balance is b = -|1,000t − 5,000| + 9,000. b.) the equation that models the account balance is b = -|1,000t − 9,000| + 9,000. c.) the equation that models the account balance is b = -|1,000t − 9,000| + 4,000. d.) noel’s account balance will be $7,000 in 3 months and 7 months. e.) noel’s account balance will be $7,000 in 7 months and 11 months.