the manufacturer ’ s suggested retail price ( msrp ) of a certain item is $ 60. store a sells the item for 20 percent more than the msrp. the regular price of the item at store b is 30 percent more than the msrp, but the item is currently on sale for 10 percent less than the regular price. if sales tax is 5 percent of the purchase price at both stores, what is the result when the total cost of the item at store b is subtracted from the total cost of the item at store a?
Choose the correct choice from the following answers
A) $ 0
B) $ 0.63
C) $ 1.80
D) $ 1.89
E) $ 2.10
<gadget id="calculator">100 + 20</gadget>
<output>120</output>

<gadget id="calculator">120 / 100</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">60 * (6/5)</gadget>
<output>72</output>

<gadget id="calculator">100 - 10</gadget>
<output>90</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">100 + 30</gadget>
<output>130</output>

<gadget id="calculator">130 / 100</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">(13/10) * 60</gadget>
<output>78</output>

<gadget id="calculator">(9/10) * 78</gadget>
<output>351/5 = around 70.2</output>

<gadget id="calculator">72 - (351/5)</gadget>
<output>9/5 = around 1.8</output>

<result>D</result>
the manufacturer ’ s suggested retail price ( msrp ) of a certain item is $ 60. store a sells the item for 20 percent more than the msrp. the regular price of the item at store b is 30 percent more than the msrp, but the item is currently on sale for 10 percent less than the regular price. if sales tax is 5 percent of the purchase price at both stores, what is the result when the total cost of the item at store b is subtracted from the total cost of the item at store a?
subtract(multiply(60, divide(add(const_100, 20), const_100)), multiply(divide(subtract(const_100, 10), const_100), multiply(divide(add(const_100, 30), const_100), 60)))
msrp = 60 price at store a = 60 ∗ 120100 = 72 = 60 ∗ 120100 = 72 price at store b = 60 ∗ 130100 ∗ 90100 = 70.2 = 60 ∗ 130100 ∗ 90100 = 70.2 difference = 72.0 - 70.2 = 1.8 sales tax applicable = 5 % on both = 1.8 + 0.09 = 1.89 answer = d