Question 18 (1.5 points) Listen When evaluating a sales proposal before submitting it to a buyer, a salesperson needs to verify if his or her sales proposal is well-written and that it: 1) successfully converts the tangibles into intangibles, 2) proposes alternative sellers who can satisfy the buyer's unique business needs 3) can appropriately assume what is important to the buyer, without asking the buyer. 4) describes all of the seller's fees, prices, and expenses buyers will incur