If Intervale Railway's fixed costs total $ 90,000 per month, the variable cost per passenger is $ 45, and tickets sell for $ 75, what is the contribution margin per unit and contribution margin ratio?1. $45% per passenger 60%2. $30% per passenger 60%3. $30% per passenger 40%4. $45% per passenger 40%

White truffles are a very prized and rare edible fungus that grow naturally in the countryside near alba, italy. suppose that it costs $200 per day to search for white truffles. on an average day, the total number of white truffles (t) found in alba is t = 20x − x 2 , where x is the number of people searching for white truffles on that day. white truffles can be sold for $100 each. if there is no regulation, how many more people will be searching for white truffles than the socially optimal number?

Suppose that a paving company produces paved parking spaces (q) using a fixed quantity of land (t) and variable quantities of cement (c) and labor (l). the firm is currently paving 1,000 parking spaces. the firm's cost of cement is $3 comma 600.003,600.00 per acre covered (c) and its cost of labor is $35.0035.00/hour (w). for the quantities of c and l that the firm has chosen, mp subscript upper c baseline equals 60mpc=60 and mp subscript upper l baseline equals 7mpl=7. is this firm minimizing its cost of producing parking spaces?

The law firm of furlan and benson accumulates costs associated with individual cases, using a job order cost system. the following transactions occurred during july: jul. 3 charged 175 hours of professional (lawyer) time to the obsidian co. breech of contract suit to prepare for the trial, at a rate of $150 per hour. 10 reimbursed travel costs to employees for depositions related to the obsidian case, $12,500. 14 charged 260 hours of professional time for the obsidian trial at a rate of $185 per hour. 18 received invoice from consultants wadsley and harden for $30,000 for expert testimony related to the obsidian trial. 27 applied office overhead at a rate of $62 per professional hour charged to the obsidian case. 31 paid administrative and support salaries of $28,500 for the month. 31 used office supplies for the month, $4,000. 31 paid professional salaries of $74,350 for the month. 31 billed obsidian $172,500 for successful defense of the case. required: a. provide the journal entries for each of these transactions. refer to the chart of accounts for exact wording of account titles. b. how much office overhead is over- or underapplied? c. determine the gross profit on the obsidian case, assuming that over- or underapplied office overhead is closed monthly to cost of services.