document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189942>Question 189942</A>: <I><SPAN STYLE=\"word-break: break-all;\"> After leaving a fulfilling career as a singer, Sally decides to venture out into the world of necklace sales. The cost of producing x necklaces is given by the function C(x) = 1.3x + 275. The necklaces can be sold on E-bay for $10 each.\r<BR>\n" );
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document.write( "(a)	What are the fixed costs?\r<BR>\n" );
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document.write( "(b)	Find the revenue and profit functions.\r<BR>\n" );
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document.write( "(c)	Find the break-even point.\r<BR>\n" );
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document.write( "(d)	If Phil manages to sell 500 DVD’s per month, what will his yearly profit be?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142523 by </B><A HREF=/tutors/aboutme.mpl?userid=cutepiscean5><B>cutepiscean5(19)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=cutepiscean5><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=142523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> After leaving a fulfilling career as a singer, Sally decides to venture out into the world of necklace sales. The cost of producing x necklaces is given by the function C(x) = 1.3x + 275. The necklaces can be sold on E-bay for $10 each.\r<BR>\n" );
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document.write( "(a)	What are the fixed costs?\r<BR>\n" );
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document.write( ">>> The fixed costs will be determined from the function C(x) = 1.3x + 275. we know that by looking at the cost function the fixed cost is 275.\r<BR>\n" );
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document.write( "(b)	Find the revenue and profit functions.\r<BR>\n" );
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document.write( ">> --- the revenue function will be determined by the selling price of x necklaces.<BR>\n" );
document.write( "so if 1 necklace is sold for $10, x necklaces will be sold for $ 10x.\r<BR>\n" );
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document.write( "-- For the profit function, we know that Profit = Selling price - Cost price<BR>\n" );
document.write( " = 10x - (1.3x + 275)<BR>\n" );
document.write( " = $ (8.7x - 275)\r<BR>\n" );
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document.write( "(c)	Find the break-even point.\r<BR>\n" );
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document.write( "The break-even point is the point where there is no profit, no loss. that means the selling price is same as the cost price.\r<BR>\n" );
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document.write( "so, for break-even, 10x = 1.3x + 275<BR>\n" );
document.write( "=> 10x - 1.3x = 275<BR>\n" );
document.write( "=> 8.7x = 275<BR>\n" );
document.write( "or, x = 31.60 which approx s to 32 necklaces, the break even is 32 necklaces\r<BR>\n" );
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document.write( "(d)	If Phil manages to sell 500 DVD’s per month, what will his yearly profit be?\r<BR>\n" );
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document.write( ">>> I could not get how is this question related to the previous one??\r<BR>\n" );
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document.write( "Please have a look at the rest of the questions.. </SPAN>\n" );
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