Estimate the time it will take to complete the 4th unit of a 12-unit job involving a large assembly of the initial unit required approximately 80 hours for each of these learning percentages: a. 72 percent. (Use the formula to calculate your answer and not the table value. Do not round Intermediate calculations. Round your final answer to 2 decimal places.) P= 72% 206.24 h b. 87 percent. (Use the formula to calculate your answer and not the table value. Do not round Intermediate calculations. Round your final answer to 2 decimal places.) P=87% 2676 hr c. 95 percent. (Use the formula to calculate your answer and not the table value. Do not round Intermediate calculations. Round your final answer to 2 decimal places.) P=95% 284.48 hr