Cost structure and product price of Chico garden tool company

Investment (spent)	$100,000	Other fixed overhead	$10,000
R&D (spent)	$120,000	Labor	$3 per garden tool (unit)
Traditional media advertising	$40,000	Materials	$2 per garden tool (unit)
Social media marketing	$30,000	Discount coupon	$1 per garden tool (unit)
Factory facility rental	$20,000	Selling price	$10 per garden tool (unit)

1.1) What is Unit contribution ($ per unit) of Chico garden tool companys garden tool?

1.2) Break-even volume of its garden tool?

1.3) Dollar break-even of its garden tool?

1.4) How many garden tools to sell to achieve a profit target of $50,000?

1.5) When discount coupon cost is increased to $2 per garden tool (unit), new break-even volume of garden tool with this $2 coupon (when other items stay unchanged)?

-