1- Take the sellingpriceand the profitpercentage. Which are 480and 20%.
2- Calculate the profit by <em>total</em><em>×</em><em>percentage</em><em>÷</em><em>100</em><em> </em>so <em>480</em><em>×</em><em>0</em><em>.</em><em>2</em><em>=</em><em> </em><em>96</em>
<em>3</em><em>-</em><em> </em><em>Subtract</em><em> </em>the profitfrom the sellingpricefor costprice.<em>480-96= 384</em>
An objective tone means the author of the essay is not sharing her/his personal opinion, bias or judgment about a subject, but presenting the information impartially.
Like in the sentence you wrote just do a story like a thing happend to you or something really explain: Write 5 sentence about what happend to you in your life