Interior Holding Company had the following transactions for the period: Sept 1 Sept 4 Sept 12 Sept 15 Sept 16 Sept 18. Sept 19 Sept 25 Sept 28 The founder of the business invested additional cash of $120,000. Sell merchandise on account to Blake Co. $12,000. Cost of the goods was $8,500. Sell merchandise on account to Wynco $15,000, n/30. The cost of the goods was $9,000. Received full payment from Blake Co. Wynco returned some of the goods sold for $6,000. The cost of the goods was $3,800. Purchased equipment for $18,000 from Wilson Distributors. A promissory note Was given to the seller. Sell merchandise to Kremer, Inc. receiving a 6,750, 90-day, 8% note. Cost of the Goods sold was $4,000. The business increase its allowance for doubtful Account by $3,000. The company wrote off $1,850 of accounts receivables that were uncollectible