Doing an intro to accounting homework assignment, and am unable to find why the program is marking it as "incomplete"

The worksheet of Bridget's Office Supplies contains the following revenue, cost, and expense accounts. The merchandise inventory amounted to $59,775 on January 1, 2019, and $52,725 on December 31, 2019. The expense accounts numbered 611 through 617 represent selling expenses, and those numbered 631 through 646 represent general and administrative expenses.

	Accounts
401	Sales	$	248,900	Cr.
451	Sales Returns and Allowances		4,350	Dr.
491	Miscellaneous Income		400	Cr.
501	Purchases		103,600	Dr.
502	Freight In		1,975	Dr.
503	Purchases Returns and Allowances		3,600	Cr.
504	Purchases Discounts		1,800	Cr.
611	Salaries ExpenseSales		45,300	Dr.
614	Store Supplies Expense		2,310	Dr.
617	Depreciation ExpenseStore Equipment		1,510	Dr.
631	Rent Expense		13,500	Dr.
634	Utilities Expense		3,000	Dr.
637	Salaries ExpenseOffice		21,100	Dr.
640	Payroll Taxes Expense		6,000	Dr.
643	Depreciation ExpenseOffice Equipment		570	Dr.
646	Uncollectible Accounts Expense		720	Dr.
691	Interest Expense		740	Dr.