42. A investor wishes to earn 7% on his capital after payment of taxes. If the income from an available investment will be taxed at an average rate of 42%, what minimum rate of return, before payment of taxes, must the investment offer to be justified ?

A. 12.07 %
B. 12.34 %
C. 12.67 %
D. 12.87 %
✅ The correct answer is option A.

46. A manufacturing firm maintains one product assembly line to produce signal generators. Weekly demand for the generators is 35 units. The line operates for 7 hours per day, 5 days per week. What is the maximum production time per unit in hours required of the line to meet the demand ?

A. 1.0 hour per unit
B. 1.2 hours per unit
C. 1.4 hours per unit
D. 1.6 hours per unit
✅ The correct answer is option A.