8. Calculate the default rate (in SMM units) of a pool if monthly defaults are given as the following percentages of the SDA profile in figure 10.6 for the first 12 months of the pool’s life: 100% SDA, 120% SDA, 99% SDA, 110% SDA, 125% SDA, 130% SDA, 135% SDA, 120% SDA, 170% SDA, 175% SDA, 225% SDA, 250% SDA.