7. Assume you hold $5000 of Nike, $2000 of Cisco, and $7000 of GE, and decide to short $3000 of Microsoft. You use the cash from the short sale to buy $3000 of Intel. (A) What are your portfolio weights? (B) Assume the returns on Nike, Cisco, GE, Microsoft, and Intel are TN = 4% ro = 2% "GE = -3% TM = -5% TI = 1% What is the return on your portfolio