David is shopping for work supplies; he purchases 3 binders, 5 pens, and 2 reams of paper. The binders cost $3.50 each; the pens cost $1.15 each; and the reams of paper cost $4.00 each. The sales tax for his purchase is 7.75%. Which of the following is closest to the total cost of David’s purchase?A. $24.25 B. $24.99C. $25.95D. $26.13

Electronics assembly inc. is a contract manufacturer that assembles consumer electronics for a number of companies. currently, the operations manager is assessing the capacity requirements as input into a bid for a job to assemble cell phones for a major global company. the company would assemble three models of cell phones in the same assembly cell. setup time between the phones is negligible. electronics assembly inc. operates two 8-hour shifts for 275 days per year. cell phone demand forecast (phones/year) processing time (minutes/phone) mars 47,000 19.8 saturn 35,000 20.7 neptune 7,500 16.2 a. calculate total capacity required by line. b. determine the total operating time available. c. calculate the total number of assembly cells. (round up your answer to the next whole number.)

Define the marginal rate of substitution between two goods (x and y). if a consumer’s preferences are given by u(x, y) = x3/4y1/4, compute the consumer’s marginal rate of substitution as a function of x and y. calculate the mrs if the consumer has chosen to consumer 48 units of x and 16 units of y. show your work. (use the back of the page if necessary.

Which of the following does not offer an opportunity for timely content? evergreen content news alerts content that suits seasonal consumption patterns content that matches a situational trigger content that addresses urgent pain points