Need full Explain.Please . Assume for 2016 that Don made one transfer involving his granddaughter as follows:

Need full Explain.......Please .........................

1.             Assume for 2016 that Don made one transfer involving his granddaughter as follows:  Don opened a joint checking account with his granddaughter, with right of survivorship, for her college expenses. Don made an initial deposit of $100,000. During 2016, granddaughter wrote checks on the account to the school for tuition of $15,000 and living expenses of $20,000. What is the amount of the taxable gift for federal  gift tax purposes?

a.             0.

b.             $6,000.

c.             $21,000.

d.             $35,000.

2.             Oliver gave his wife $5,250,000 worth of publicly traded stock in August 2016, outright. Oliver's basis in the stock was $50,000. What is the amount of the taxable gift for federal gift tax purposes?  (Oliver will not have made any other gifts to anyone in 2016).

a.             0.

b.             $87,000.

c.             $100,000.

d.            $5,087,000.