Three years ago, Barbara Jones started a business that creates and delivers holiday and birthday gift baskets to students at the local university. Barbara sells the baskets for $29 each, and her variable costs are $19 per basket. She incurs $12,600 in fixed costs each year. (a) How many baskets will Barbara have to sell this year if she wants to earn $30,900 in operating income? (Round answer to 0 decimal places, e.g. 5,275.) enter a number of baskets rounded to 0 decimal places