Suppose you are holding the market portfolio shown in the table and have invested $19,000 in stock C

stock	price/share ($)	Number of shares outstanding (millions)
A	8	10
B	20	14
C	6	1
D	51	4
E	43	21

A: How much have you invested in Stock A?

B: How many shares of stock B do you hold?

C: If the Price of Stock C suddenly drops to $3 per share, what trade in Stock C do you need to execute to maintain your portfolio at the same proportions as the market portfolio?