Duke Energy Corporation (DUK), Goldman Sachs Group Inc. (GS), Costco Corporation (COST), Texas Instruments (TXN), Tesla (TSLA) and Starbucks Corporation (SBUX). If you would like to invest at least 5 stocks from this list, which of the following combinations is possible?
1) DUK, GS, COST
2) TXN, TSLA, SBUX
3) DUK, GS, TXN
4) COST, TXN, SBUX