Can someone help with these cvp questions

Tina, an entrepreneurial business student, wants to set up a business completing tax forms for other students. Her price would be $46.00 for each job. Fixed expenses include $231.00 for the tax software which Tina would purchase. Tina would hire some accounting students to complete the forms, paying them for two hours at $10 per hour for each job. She would also have paper and supplies costs of $5 per job. How many jobs would she have to generate before she starts to make a profit? Make the assumption that it takes an accounting student two hours to complete one tax return. Tina would have to generate tax returns before she starts to make a profit. (Round up to the nearest unit.)A booth in a mall sells calendars. The calendars are purchased for $4.47 each and then sold to customers at a price of $11.11. Space is rented for $182.00 per day and wages amount to $332.00 per day. Answer each of the following independent questions. (a) If the wages decrease to $272.24 per day, and other variables remain the same, how many calendars must be sold to break even? (b) If the calendars are put on sale at 28% off the regular price, and all other variables remain the same, calculate profits if 229 calendars are sold in a day? (a) The number of calendars required to break-even when wages decrease to $272.24 is.. (Round up to the nearest whole number.) (b) If the calendars are put on sale at 28% off the regular price, and all other variables remain the same, the profit earned if 229 calendars are sold in a day is $ .. (Round to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)The operating budget for a certain company shows a net income of $393,120. To achieve this, the company is targeting sales of $774,000, variable costs of $371,520, and fixed costs of $9,360. Compute the break-even point in sales dollars. The break-even point in sales dollars is $ - - (Round to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)