MacMan, Inc. reported the following data: 2025 2024 Amount Percentage Revenues $7,000 $4,920 $2,080 42.28% Cost of goods sold 3,390 2,500 890 35.6% Gross profit 3,610 2,420 1,190 49.17% Operating expenses: Sales and marketing expense 675 590 85 14.41% General and administrative expenses 490 445 45 10.11% Research and development expense 480 440 40 9.09% Other expense 420 700 (280) (40)% O A. increased by 35.6% OB. decreased by 42.28% OC. decreased by 35.6% OD. increased by 42.28%