Porta Carparty is a retailer of hammers Porta pays $3.75 for each hammer and sells them for $8.45. Monthly fixed costs are $32,900, The rammer cost is the only variable cost 20 2 What is the contribution margin per unt? Round your answer to 2 decimal places.) perni 1. What is the break even point in units? (Do not round intermediate calculations.) lungs How many units wil Poria need to sell to earn target profit of $25,850? (Do not round Intermeliete calculations)