If the APR is $24\%,$ what are the nominal monthly, quarterly, semi$-$annual and annual rates?

The nominal monthly rate is $\%.($Report to one decimal place.$)$

The nominal quarterly rate is $\%.($Report to one decimal place.$)$

The nominal semi$-$annual rate is $\%.($Report to one decimal place.$)$

The nominal annual rate is $\%.($Report to one decimal place.$)$

If the APR is $15\%,$ what are the nominal monthly, quarterly, semi$-$annual and annual rates?

The nominal monthly rate is

$\%.($Report to two decimal places.$)$

The nominal quarterly rate is

$\%.($Report to two decimal places.$)$

The nominal semi$-$annual rate is

$\%.($Report to two decimal places.$)$

The nominal annual rate is $15\%.($Report to one decimal place.$)$