Bob's evaluation of his client's financial situation and goals has indicated that his family requires $$1$ million of capital to meet their survivor income and other needs.

If the client already owns $$250,000$ of life insurance, $$100,000$ of stocks, and has savings of $$50,000,$ then how much additional life insurance is needed?

$$ a$.$ $$200,000$

$$ b$.$ $$750,000$

$.$ $$600,000$

$$ d$.$ $$700,000$