I need HELP with numbers 3 & 4 Please

The Walton Toy Company manufactures a line of dolls and a doll dress sewing kit. Demand for the dolls is increasing, and management requests assistance from you in determining an economical sales and production mix for the coming year. The company has provided the following data:

Product	Demand Next year (units)	Selling Price per Unit	Direct Materials	Direct Labor
Debbie	50,000	$13.50	$4.30	$3.20
Trish	42,000	$ 5.50	$1.10	$2.00
Sarah	35,000	$21.00	$6.44	$5.60
Mike	40,000	$10.00	$2.00	$4.00
Sewing kit	325,000	$ 8.00	$3.20	$1.60
The following additional information is available: The companys plant has a capacity of 130,000 direct labor-hours per year on a single-shift basis. The companys present employees and equipment can produce all five products. The direct labor rate of $8 per hour is expected to remain unchanged during the coming year. Fixed costs total $520,000 per year. Variable overhead costs are $2 per direct labor-hour. All of the company's nonmanufacturing costs are fixed. The companys finished goods inventory is negligible and can be ignored. Required: 1. Determine the contribution margin per direct labor-hour expended on each product. (Do not round interme I need help with steps on how to complete these questions. I have this answer Debbie 13.00 Trish 7.60 Sarah 10.80 Mike 6.00 Sewing kit 14.00 2. Calculate the the total direct labor-hours that will be required to produce the units estimated to be sold during the coming year. (Do not round intermediate calculations.) Debbie 20,000 Trish 10,500 Sarah 24,500 Mike 20,000 Sewing kit 65,000 3. Based on response to Requirement 1 & 2, how much of 130,000 direct labor hours of capacity will be allocated to Walton Toy Companys various products? 4. What is the highest total contribution margin that the company can earn if it makes optimal use of its constrained resource?