National Credit Union has $200000 available to invest in a12-month commitment. T

National Credit Union has $200000 available to invest in a12-month commitment. The money can be placed in Treasury notesyielding an 6 % return or municipal bonds yielding an average rateof return of 8 %. Credit union regulations require diversificationto the extent that no more 30% of the investment be placed inTreasury notes. Because of defaults in such municipalities asCleveland and New York it is decided that at least 20% of theinvestment be place in bonds. Formulate as a linear programmingproblem.