Food Storage Technologies produces refrigeration units for food producers and retail food establishments. The overall average temperature that these units maintain is 46 degrees Fahrenheit. The average range of the process based upon an x-bar chart is a total of 3 degrees Fahrenheit. The customer requires the units operate between 43 and 49 degrees Fahrenheit. The Cpk of the process is:

after tax yield on corporate bonds  = 6.3 %

Explanation:

given data

federal plus state tax bracket = 30%

corporate bonds  yields = 9%

solution

we get here yield that must municipals offer for the investor is express as

after tax yield on corporate bonds = corporate bonds  yields × ( 1 - federal plus state tax bracket  )   1

put here value and we will get

after tax yield on corporate bonds = 9% × ( 1 - 30% )

after tax yield on corporate bonds = 0.09 × ( 1 - 0.30 )

after tax yield on corporate bonds  = 0.063

after tax yield on corporate bonds  = 6.3 %