Tony wants to purchase a baseball glove for $14.96, a baseball bat for $19.87, and a baseball for $5.37. he figured out that he will need $40.20 to purchase the three items. estimate the cost of the three items. is tony's calculation reasonable? select from the drop down menus to complete the sentence. tony's calculation is : reasonable or not reasonable because the three items cost about : 30$, $40 ,$50, or $70 .