$(20$ pts$)$ Calculate the CPR and SMM using the $165\%$ PSA schedule for months t$=1$ through t$=30.$ Display your results in a table below with four columns labeled, from left to right, t$,$ PSA, CPR$,$ SMM$.$ You can use an Excel spreadsheet to calculate this for the homework but be sure you know how to perform this calculation manually for the exam on chapters $4$ & $8.$ Cut and paste the table from your Excel spreadsheet $($if you use it$)$ into the Word document below. CPR and SMM must be expressed as decimals not as percentages.