Which herbs are useful from cosmetic point of view ? also name the products made from them

Arival company manufactures fuel tanks for cars using a different production technique. the total weekly cost (in dollars) of producing x tanks is given by c(x) = 10000 +90x - 0.04x2 find the marginal cost at a production level of 500 fuel tanks per week to approximate the cost of the 501st unit (round to the nearest 2 decimal places, if needed)

Beck company had the following accounts and balances at the end of the year. what is net income or net loss for the year? cash $ 74 comma 000 accounts payable $12,000 common stock $21,000 dividends $12,000 operating expenses $ 13 comma 000 accounts receivable $ 49 comma 000 inventory $ 47 comma 000 longminusterm notes payable $33,000 revenues $ 91 comma 000 salaries payable $ 30 comma 000

University car wash built a deluxe car wash across the street from campus. the new machines cost $219,000 including installation. the company estimates that the equipment will have a residual value of $19,500. university car wash also estimates it will use the machine for six years or about 12,500 total hours. actual use per year was as follows: year hours used 1 3,100 2 1,100 3 1,200 4 2,800 5 2,600 6 1,200 prepare a depreciation schedule for six years using the following methods: 1. straight-line. 2. double-declining-balance. 3. activity-based.