please help me

\fAqua Primavera1 Inc. has provided the following information for the year: Units produced 3,000 units Sales price $?00 per unit Direct materials $35 per unit Direct labor $20 per unit 1|uiariable manufacturing overhead $30 per unit Fixed manufacturing overhead $430,000 per 1,rear 1|uiariable selling and administration costs $50 per unit Fixed selling and administration costs $240,000 per 1,rear What is the unit product cost using variable costing? O A. 15139 O E. $35 C} C. $55 0 D. $50 \fNubela Manufacturing is considering two alternative investment proposals with the following data: Proposal I Proposal 1" Investment $11,100,000 $550,000 Useful life 5 years 5 years Estimated annual net cash inows for 5 years $2,220,000 $5?,000 Residual yalue $55,000 $20,000 Depreciation method Straight line Straight line Required rate of retum 13% 10% Calculate The payback period for Proposal K. CI A. 'l0years CI B. dears Cl C. 5years C} D. 4 years Psari's, a company that sells fishing nets, provides the following information about its product: Targeted operating income $54,000 Sales price per unit 8.00 Variable cost per unit 3.00 Total fixed costs 120,000 What is the contribution margin ratio? (Round any intermediate calculations and your final answer to two decimal places.) O A. 37.5% O B. 62.5% O C. 100% O D. 187.5%