To control the risk, the client has specified that the total risk amount cannot exceed $300,000. the client wants to invest at least $250,000 in mutual fund 1 and at least $280,000 in mutual fund 2. in addition, the client also wants the total money invested in mutual fund 3 and mutual fund 5 to be no more than $500,000. with these restrictions, how much money should the company invest in each mutual fund so as to maximize the total annual return?

formulate a linear programming model for this investment problem.

(a) define the decision variables.

(b) determine the objective function. what does it represent?

(c) determine all the constraints. briefly describe what each constraint represents.

Case in point 1.2 suppose you work in the it department of global hotels, a multinational hotel chain. global hotels runs several specialized business support systems, including a guest reservations system that was developed in-house to meet the requirements of a large company with worldwide operations. guests can make one-stop online reservations by visiting global's website, which has links to all major travel industry sites. global hotels just acquired momma's, a regional chain of 20 motels in western canada. momma's uses a vertical reservations package suitable for small- to medium-sized businesses and a generic accounting and finance package. should momma's use global hotels' information systems or continue with its own? in your answer, consider issues such as business profiles, business processes, system interactivity, edi, ecommerce, and the characteristics of both information systems. what additional information would be to you in making a recommendation?

At a small store, a customer enters the front door on average every 8 minutes. a prior study indicated that the time between customers entering the front door during weekdays follows an exponential distribution. what is the probability that the time between customers entering the store on a weekday will be less than or equal to 7? select one: a. 62 b. 43 c. 1/8 d. 7/8 e. 58

Richardson hired j.c. flood company, a plumbing contractor, to correct a stoppage in the sewer line of her house. the plumbing company's 'snake' device, used to clear the line leading to the main sewer, became caught in the underground line. to release it, the company excavated a portion of the sewer line in richardson's backyard. in the process, the company discovered numerous leaks in a rusty, defective water pipe that ran parallel with the sewer line. to meet public regulations, the water pipe, of a type no longer approved for such service, had to be replaced either then or later, when the yard would have to be excavated again. the plumbing company proceeded to repair the water pipe. though richardson inspected the company's work daily and did not express any objection to the extra work involved in replacing the water pipe, she refused to pay any part of the total bill after the company completed the entire operation. j.c. flood company then sued richardson for the costs of labor and material it had furnished. (c) for what, if anything, should richardson be liable? explain."