Outdoor creations sells its patio heaters for $300 each. Its variable cost is $220 per heater. Fixed costs are $40,000 per month for volumes up to 1,000 patio heaters. Above 1,000 heaters, monthly fixed costs are $62,000. What is the budgeted operating income at a level of 1,300 heaters per month?
a. $64,000 b. $328,000 c. 42,000 d. 104,000