Answer:
THORNTON INDUSTRIES 
AMOUNT OF INTEREST TO BE CAPITALIZED FOR THE YEAR ENDED DECEMBER 31, 2016 AND 2017
2016
July 1 - Dec 31 $400,000 *4.8%*6/12 = $9,600 
Sep 30 - Dec 31 $600,000*4.8%*3/12 = $7,200
Nov 30 - Dec 31 $600,000*4.8%*1/12 = $2,400
  Total Interest for 2016  $19,200
2017
Jan 1 - Dec 31 $1,600,000*4.8% = $76,800
Jan 30 - Dec 31 $540,000*4.8%*11/12 =  23,760
 Total interest for the year 2017  $100,560 
weightred average cost of capital =
  $2,000,000*8% + $8,000,000*4%
 $2,000,000 + $8,000,000
= 160,000 + 320,000
 10,000,0000
=$480,000 / 10,000,000 = 0.048 = 4.8%
Step-by-step explanation:
Interest to be capitalized on construction expenditure will be interest on the amount borrowed to finance such construction. the interest will be from commencement of the construction to the cessation period