This problem involves calculating the total profit or loss when two items are sold at the same price but with different profit and loss percentages.
Selling Price (SP) = Rs. 500
Gain = 25%
The formula relating SP, CP, and Gain is: $SP = CP \times (1 + \frac{Gain \%}{100})$
Substituting the values: $500 = CP_1 \times (1 + \frac{25}{100})$ $500 = CP_1 \times (1.25)$ $CP_1 = \frac{500}{1.25}$ $CP_1 = 400$ The cost price of the first shirt is Rs. 400.
Selling Price (SP) = Rs. 500
Loss = 25%
The formula relating SP, CP, and Loss is: $SP = CP \times (1 - \frac{Loss \%}{100})$
Substituting the values: $500 = CP_2 \times (1 - \frac{25}{100})$ $500 = CP_2 \times (0.75)$ $CP_2 = \frac{500}{0.75}$ $CP_2 = \frac{500}{\frac{3}{4}}$ $CP_2 = \frac{500 \times 4}{3}$ $CP_2 = \frac{2000}{3}$ The cost price of the second shirt is Rs. $\frac{2000}{3}$.
Total SP = SP of Shirt 1 + SP of Shirt 2
Total SP = $500 + 500 = 1000$
The total selling price is Rs. 1000.
Total CP = CP of Shirt 1 + CP of Shirt 2
Total CP = $400 + \frac{2000}{3}$ Total CP = $\frac{400 \times 3}{3} + \frac{2000}{3}$ Total CP = $\frac{1200}{3} + \frac{2000}{3}$ Total CP = $\frac{3200}{3}$ The total cost price is Rs. $\frac{3200}{3}$.
Compare Total CP and Total SP:
Total CP = $\frac{3200}{3} \approx 1066.67$
Total SP = $1000$
Since Total CP > Total SP, there is a net loss.
Net Loss = Total CP - Total SP
Net Loss = $\frac{3200}{3} - 1000$ Net Loss = $\frac{3200}{3} - \frac{3000}{3}$ Net Loss = $\frac{200}{3}$
Converting the fraction to a decimal: Net Loss $\approx 66.67$
The shopkeeper has a net loss of approximately Rs. 66.67.
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