(b) Formulate the problem using Linear programming. (LP)?

(c)Determine which projects should be selected on the basis of IROR?

(d) What is the overall rate of return if the money not invested in projects is assumed to earn a rate of reuturn equal to the MARR?

An engineer at XYZ Syste last indefinitely. The cs in to s is considering the projects below, all of which can be conside y's MARR is 10% per year. The company plans to invest no tier than $35,000 for these pite ,000 The cois considering the projects below, all of which can be o ms is co mpan Project 000 t Net Income, One time maintenance sper year esprojects in total. First Co st, S cost at Year 10, S 2,000 20,000 -10,000 -15,000 -70,000 -50,000 1,900 2,600 10,000 6,000 1,000 1,500 7,000 5,000 (a Select any or alil of the fo (a)Select any or all of thefol lowing projects using PW analysis. (7 points)