Crane Corporation sells three different models of mosquito "zapper:" Model A12 sells for $60 and has variable costs of $45. Model B22 sells for $110 and has variable costs of $85. Model C 124 sells for $400 and has variable costs of $295. The sales mix of the three rodels is as follows: A12, 55\%: B22, 20\%: and C124,25\%. (a) What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, eg. 15.25.) Crane Company has decided to introduce a new product that can be manufactured by either a capital-intensive method or a labour. intensive method. The manufacturing method will not affect the quality of the product. The estimated manufacturing costs under the two methods are as follows: Crane's market research department has recommended an introductory unit sales price of $64. The incremental selling expenses are estimated to be $522.080 annually, plus $4 for each unit s/d, regardless of the manufacturing method. (a) Calculate the estimated treak-even point in annual unit sales of the new product ir Crane Company uses (1) the capi tal-intensive manufacturing method, or (2) the labour-intensive manuf acturing method