using the percentage-of-receivables method for recording bad debt expense, estimated uncollectible accounts are $30,000. if the balance of the allowance for doubtful accounts is $4,000 debit before adjustment what is the balance of the allowance for doubtful accounts after the adjustment

Oz makes lion food out of giraffe and gazelle meat. giraffe meat has 18 grams of protein and 36 grams of fat per pound, while gazelle meat has 36 grams of protein and 18 grams of fat per pound. a batch of lion food must contain at least "46,800" grams of protein and 70,200 grams of fat. giraffe meat costs $1/pound and gazelle meat costs $2/pound. how many pounds of each should go into each batch of lion food in order to minimize costs? hint [see example 2.]