I need some explanation for these questions. Thanks

37. Rebecca is on a business trip. From her hotel, she uses her computer to access her company's network, checking her e-mail and calendar. Rebecca's company has a(n) A) internet B) botnet C) intranet D) extranet 38. Sean made a purchase at his local Walmart. Instead of writing a check, Sean used a card issued by his bank with a Visa logo on the front. He entered his PIN and the purchase was automatically deducted from his checking account. Sean used his A) credit B) debit C) mortgage D) point-of-sale card. 39. When Kroger's grocery store puts its own line of detergent on the shelf next to Tide, the brand. store is promoting its A) individual B) private C) manufacturer D) family 40. The term used to describe the benefits produced by a merger or acquisition is A) partnership B) leverage C) synergy D) profit 41. Virtually, all financial decisions involve a trade-off between risk and return. A) True B) False 42. Classic Sport Inc. signs professional basketball players and footballers to promote its products. Classic Sport is using sports stars to increase sales by enhancing the public's demand for its brand. A) secondary B) selective C) primary D marketnlace