Lydia and john wickham filed jointly in year 1. they divorced in year 2. late in year 2, the irs discovered that the wickham's underpaid their year 1 taxes by $2,000. both lydia and john worked in year 1 and received equal income but john had $2,000 less tax withheld than did lydia. who is legally liable for the tax underpayment?

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?