Nessus, nessus. why do you need to run both tools like zenmap and nessus to complete the reconnaissance phase of the ethical hacking process?

mark, a civil engineer, entered into a contract with david. as per the contract, mark agreed to design and build a house for david for a specified fee. mark provided david with an estimation of the total cost and the contract was mutually agreed upon. however, during construction, when mark increased the price due to a miscalculation on his part, david refused to pay the amount. this scenario is an example of a mistake.

At the end of the current year, accounts receivable has a balance of $550,000; allowance for doubtful accounts has a credit balance of $5,500; and sales for the year total $2,500,000. an analysis of receivables estimates uncollectible receivables as $25,000. determine the net realizable value of accounts receivable after adjustment. (hint: determine the amount of the adjusting entry for bad debt expense and the adjusted balance of allowance of doubtful accounts.)

Palmer frosted flakes company offers its customers a pottery cereal bowl if they send in 3 boxtops from palmer frosted flakes boxes and $1. the company estimates that 60% of the boxtops will be redeemed. in 2012, the company sold 675,000 boxes of frosted flakes and customers redeemed 330,000 boxtops receiving 110,000 bowls. if the bowls cost palmer company $3 each, how much liability for outstanding premiums should be recorded at the end of 2012?