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Check Problem C before solving Problems 11 through 20. Record your answers on the Answer Tab for Lesson 17 List Price C. $1,800.82 11. $2,000.00 12. $5,789.54 13. $4,333.65 14. $8,82330 15. 56,250.00 16. $1,975.75 17. $2,250.50 18. $3,750.75 19. $3,450.98 20. 55,657.98 USING THE COMPLEMENT OF A DISCOUNT A discount is subtracted from a price. If a 30% dis- count is offered, the buyer pays the full price minus 30%. Since the full price is 100%, the buyer pays 100% - 30%, or 70%. The complement of any percent is equal to that per cent subtracted from 100%. For example, the com plement of 60% is 40%. Multiply the list price by the discount's complement to find the net price. Work the demonstration prob- lem at the right Trade Discount Rate Amount 30% $ 540.25 2546 $ 35% S 20% S 15% S 45 S 35% S 40% S 50% $ 35% $ 30% $ Net Price $ 1,260.57 S S $ S S Cash Discount Rate Amount 296 $ 25.21 296 $ 39 $ 1:00 S 196 $ 29 S 596 $ 396 $ 199 $ 496 $ 3% $ Amount Due $ 1,235.36 $ $ S. $ $ $ $ $ S $ $ S $ Demonstration Problem List price, $250;trade discount, 30%. Find the net price. Discount's Complement - 100% - Discount 70% 100% - 30% Net Price List Price x Discount's Complement SI75 $250 70% SECTION 3 - 108 For calculators with a Constant Operation mode: 11 Trade Discount 30% For calculators with a Constant Operation mode: 1. Set the calculator for constant multiplication. 2. Enter the price, $250, as the multiplier. Multiply by the discount, 30% (-3). List Price 100% Discount's Complement 7096 Tape 250 x .3 75 .7 175 3. Multiply by the discount's complement, 70% (.7). Complement of Trade Discount 30% 20% To find the discount amount, multiply the price by the discount To find the amount due, multiply by the discount's complement NOTE: If both the discount amount and the net price are rounded up, there will be a one cent (5.01) error, In such cases, round the discount amount up and round the net price down Check Problem before solving Problems 21 through 30. Record your answers for Problems 21 through 31 on the Answer Tab for Lesson 17. 4096 List Price D. $ 250.00 21. $2,398.20 22. $9,000.00 23. 56,42333 24. $3,333.50 25. $1,888.00 26. $4,387.65 27. $1,124.50 28. $6,666.66 29. 59,909.90 Trade Discount 70 96 96 90 96 90 96 4590 2596 20% 15 3596 3096 35% Discount Amount $ 75.00 $ $ $ $ $ S $ S S Net Price $ 175.00 $ $ $ S $ $ S $ $ 90 96 96 96 30. Communication What is the complement of a trade discount? LESSON 17 - 109