Kingbird, inc. uses the percentage-of-receivables method for recording bad debt expense. the accounts receivable balance is $39 and credit sales are $156. management estimates that 5% of accounts receivable will be uncollectible. what adjusting entry will kingbird, inc. make if the allowance for doubtful accounts has a credit balance of $3900 before adjustment?

Suppose life expectancy in years (l) is a function of two inputs, health expenditures (h) and nutrition expenditures (n) in hundreds of dollars per year. the production function is upper l equals ch superscript 0.40 baseline upper n superscript 0.60l=ch0.40n0.60. beginning with c = 1, a health input of $400400 per year (hequals=44) and a nutrition input of $400400 per year (nequals=44), show that the marginal product of health expenditures and the marginal product of nutrition expenditures are both decreasing. the marginal product of health expenditures when h goes from 44 to 55 is nothing, and the marginal product of health when h goes from 66 to 77 is nothing. (round your answers to three decimal places.)