Could I please get help with these three problems?

1) The balance of accounts receivable is $275,000. The allowance for uncollectible accounts has a credit balance of $240. Net credit sales for the year were $771,000 and cash sales were $68,000. Information for estimating uncollectible accounts expense is presented below. For each independent situation, prepare the adjusting entry to record the estimate and determine the resultant balance in the allowance for uncollectible accounts. a. The company uses the aging-of-accounts-receivable method. A partial aging of accounts receivable balance is presented below: Percentage Days Outstanding Amount Uncollectible Not yet due $150.000 1% 31-60 days past due 50.000 5% 61-90 days past due 10.000 10% 91-120 days past due 25,000 25% Over 120 days past due 10,000 50% b. The company uses the percent-of-sales method. Historical data indicates that approximately 3% of net credit sales are uncollectible. 2) Martin Manufacturing held three interest-bearing notes during 2005 and 2006. For each note, determine the following items. . The maturity date . The maturity value C. Interest revenue to be reported on December 31, 2105 Note 1 - issued September 25, 2005,$15,000, 10%, 60 days Note 2 - issued November 20, 2005, $25,000, 12%. 90 days Note 3 - issued December 30, 2005, 14,000, 9%, 30 days 3 McAfee Construction acquired the following plant assets on January 1, 2109. The delivery equipment was driven for 12000 miles of its useful estimated life of 100,000 miles. Compute depreciation for each of the assets. For the year ending 2009 Residual Cost Value Useful Life Depreciation Method Office Equipment $150,000 $ 5,000 5 years Straight-line Building $240,000 $20,000 20 years Double-declining balance Delivery equipment $125,000 $25,000 10 years Units-of-production Office equipment b. Building Delivery equipment