$5.$ A company received proposals for four initiatives, each with estimated cost and return on the investment over $15$ years. Based purely on financial investment$/$returns$,$ which would be the LEAST likely to be selected?

A$.$ Initiative A costs $$6,000,000$; in the first five years it returns $$800,000$ annually and then for the next $10$ years returns $$750,000$ annually.

B$.$ Initiative B costs $$12,000,000$; in the first five years it returns $$1,000,000$ annually and then for the next $10$ years returns $$1,000,000$ annually.

C$.$ Initiative C costs $$7,000,000$; in the first five years it returns $$800,000$ annually and then for the next $10$ years returns $$1,200,000$ annually.

D$.$ Initiative D costs $$8,000,000$; in the first five years returns $$1,500,000$ annually and then for the next $10$ years returns $$600,000$ annually.