The Series 7 exam will ask you questions about calculating accretion and amortization. You use accretion and amortization when figuring out taxes on bonds; you simply adjust the cost of the bond toward par in the time that the bond matures.
The average 1000 pound horse must eat approximately 10 to 20 pounds of hay every day according to LSU. The weight of a bale of hay will vary depending on the quality of hay and the settings on the baling machine that is being used to bale the hay. The average square hay bale weighs approximately 50 pounds. To provide your horse with the necessary amount of hay you will need to give him a quarter to a half of a bale every day.
Bales can vary from 30 to 150 lbs. You need to weigh them.   Most 1000 pound horses should be given about 15 to 20 pounds of grass hay a day, if this is their only source of roughage (as with stalled horses). So with a normal 50 pound bale, that just under half a bale.