Larry Mitchell invested part of his $ 35 comma 000$35,000 advance at 4 %4% annual simple interest and the rest at 9 %9% annual simple interest. If his total yearly interest from both accounts was $ 3 comma 100$3,100, find the amount invested at each rate.

Abakery wants to determine how many trays of doughnuts it should prepare each day. demand is normal with a mean of 5 trays and standard deviation of 1 tray. if the owner wants a service level of at least 95%, how many trays should he prepare (rounded to the nearest whole tray)? assume doughnuts have no salvage value after the day is complete.

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Which of the following differentiates cost accounting and financial accounting? a. the primary users of cost accounting are the investors, whereas the primary users of financial accounting are the managers. b. cost accounting measures only the financial information related to the costs of acquiring fixed assets in an organization, whereas financial accounting measures financial and nonfinancial information of a company's business transactions. c. cost accounting measures information related to the costs of acquiring or using resources in an organization, whereas financial accounting measures a financial position of a company to investors, banks, and external parties. d. cost accounting deals with product design, production, and marketing strategies, whereas financial accounting deals mainly with pricing of the products.