Modern refurbishing inc. is considering a project that has the following cash flow data. what is the project's irr? note that a project's irr can be less than the cost of capital (and even negative), in which case it will be rejected. year 0 1 2 3 4cash flows −$850 $300 $290 $280 $270a. 13.13%b. 14.44%c. 15.89%d. 17.48%e. 19.22%

Which of the following is not one of the four principles of bottleneck management? a. increasing capacity at non-bottleneck stations is a mirageb. lost time at the bottleneck is lost system capacity.c. release work orders to the system at the bottleneck's capacity pace.d. increased bottleneck capacity is increased system capacity.e. bottlenecks should be moved to the end of the system process.