Jobs A, B, C, and D must be processed through the same machine center. Sequence the following jobs by (a) SPT and (b) SLACK. Calculate mean flow time, mean tardiness, and maximum tardiness. Which sequencing rule would you recommend?JOB PROCESSING TIME DUE DATE A 20 20
B 10 15
C 30 50D 15 30

You wish to buy a cabin in 15 years. today, the cabin costs $150,000. you believe the price of the cabin will inflate at 4% annually. you want to invest a single amount of money (lump sum) today and have the money grow to equal the future purchase price of the cabin 15 years from now. if you can earn 10% annually on your investments, how much do you need to invest now, in order to be able to purchase the cabin?

Nichols inc. manufactures remote controls. currently the company uses a plantminuswide rate for allocating manufacturing overhead. the plant manager is considering switchingminusover to abc costing system and has asked the accounting department to identify the primary production activities and their cost drivers which are as follows: activities cost driver allocation rate material handling number of parts $5 per part assembly labor hours $20 per hour inspection time at inspection station $10 per minute the current traditional cost method allocates overhead based on direct manufacturing labor hours using a rate of $20 per labor hour. what are the indirect manufacturing costs per remote control assuming an method is used and a batch of 10 remote controls are produced? the batch requires 100 parts, 5 direct manufacturing labor hours, and 3 minutes of inspection time.

Qwest airlines has implemented a program to recycle all plastic drink cups used on their aircraft. their goal is to generate $7 million by the end of the recycle program's five-year life. each recycled cup can be sold for $0.005 (1/2 cent). a. how many cups must be recycled annually to meet this goal? assume uniform annual plastic cup usage and a 0% interest rate. b. repeat part (a) when the annual interest rate is 12%. c. why is the answer to part (b) less than the answer to part (a)?