Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Sales ($ million)
ConvertibleSUVSedanMini TruckMarginal Total
Allison45281936128
B & B Motors6522159111
Pluto Cars1825271080
Panther Motors40263412112
Marginal Total1681019567431

The table shows the annual sales revenue for different types of vehicles from four automobile manufacturers.
The difference of the relative frequency of revenue earned by B & B Motors from sales of convertibles compared with the total revenue of all four companies and the relative frequency of revenue earned by B & B Motors from sales of mini trucks compared with the total revenue of all four companies is . Write your answer rounded to two decimal places.