1-i need to know how i can solve this question? the answer correct.

2- I thank the A is correct but i am not sure

year. The following information relates to current production Sale price per unit $44 Variable costs per unit Manufacturing Marketing and administrative S26 S8 Total fixed costs: S78,000 $22,000 Marketing and administrative If a special sales order is accepted for 2,800 widgets at a price of $33 per unit, fixed costs increase by $5,000, and variable marketing and administrative costs for that order are S1 per unit, how would operating income be affected? (NOTE: Assume regular sales are not affected by the special order.) O A. Increase by $14,600 O B. Increase by $16,800 ( C. Increase by$11,800 O D. Decrease by S1 1,800 Which of the following is irrelevant when deciding whether to drive or fly home for semester break? A. Cost of plane ticket. B. Cost of car insurance. C. Cost of the gasoline. Oo se e ar and tear on your vehicle