Jonathan pays $1.90 per pound for potatoes. He buys 8.3 pounds of potatoes. He determines that he will pay $15.77,before tax,for the potatoes. Which best describes the reasonableness of Jonathan's solution?

Jonathan's answer is unreasonable because there are two decimal places in the factors and two in the product.
Jonathan's answer is unreasonable because there are three decimal places in the factors and two in the product.
Jonathan's answer is unreasonable because 2*8 is 16,and 16 is close to 15.77.
Jonathan's answer is unreasonable because 1*8 is 8,and 8 is not very close to 15.77.