Your grandparents just retired after running a donut shop for $30$ years. They have saved $$7$ million in their retirement accounts which they have invested in bond funds that have a $5\%$ annual rate of return. How much will they be able to withdraw at the beginning of each month for the next $30$ years? Assume they will have $$0$ left after year $30.$

a$.$ $$37,577$

b$.$ $$24,057$

c$.$ $$37,422$

d$.$ $$34,491$

e$.$ $$280,953$