def div_growth_rateGm(curr_earn, cap_emp, dt):
	"""
	Calculates the growth rate of a dividend using the dividend growth rate
	valuation model where dividend is paid yearly.
	
	parameters:
	-----------
	curr_earn = current earnings 
	cap_emp = capital employed
	dt = current dividend

	"""	
	roi = curr_earn/cap_emp
	b = (curr_earn - dt)/curr_earn 
	g = (roi * b) * 100
	return round(g, 4)